The Parallel Universe Experiment free porn video

The Parallel Universe Experiment ***** Dr. Andrew Bell has discovered a way to set up a boundary to a parallel universe, in which he is female. He decides to cross the boundary and explore. What could possibly go wrong? ***** By the time I was in my late 20s, I was pretty pleased with how my scientific career was going. I had completed my Ph.D. in physics by my mid-20s, and was proud to have the title "Dr. Andrew Bell." And then, I was lucky enough to get a job at the same university. The university had got some extra funding and was able to take on three recent Ph.D. graduates as Level 1 scientists: me, Darren Parker, and Cindy Davison. The three of us had all gone through the Ph.D. program at the same time, so knew each other quite well. I was a lot closer to Darren than Cindy. We were best mates, but we were very much an "odd couple." Darren was an extrovert and always chasing women, with various degrees of success, though he never had a long term relationship. While I badly wanted a long term relationship with just one woman: Cindy. I had had a crush on Cindy for the longest time, but had not really gotten anywhere. I couldn't tell if that was because Cindy was rather introverted too, or because she just wasn't interested. Fortunately, Darren had told me several times that Cindy was "not his type." And I was pretty sure he was telling the truth, because while Cindy was well proportioned and had an extremely pretty face; she was fairly short, quite unlike the taller, thinner women Darren always chased. So I didn't have to worry about Darren making a move on her. In fact I was hopeless with women in general, and had never had a proper girlfriend. I had also never had sex. I told Darren I wanted to wait until marriage, but that was all a bit theoretical, since I had never been in a situation where sex was a possibility anyway. Not only was Darren a bit wild when it came to girls, he was a bit wild in general. He once boasted that he had contacts at the nuclear materials lab, and that he could obtain nuclear materials for me if I ever needed them. At a price, of course. And that created a dilemma for me. I did indeed have an experiment idea which needed plutonium. But I didn't have the seniority to requisition it, and I didn't have the private funds to buy it, not even from Darren; because I knew Darren would want to be paid well to take such a risk. So all I could do was make calculations about what it would do, and bide my time, until hopefully I received a grant so I could buy some of this precious plutonium. So why did I want plutonium? It was to do with the theory of inter- universe quantum entanglement. Now ordinary quantum entanglement itself was well established: two quanta of energy (quanta is the plural of quantum), separated by distance, somehow interfering with each other. Our university was a world leader in this field, and had its own quantum entanglement machine, which we scientists could use for experiments. But far more controversial was the theory of inter-universe quantum entanglement: that there are parallel universes, and that it was also possible to have entanglement between quanta in different universes. More controversial still was the theory of a quantum entanglement boundary: that this quantum entanglement could set up a boundary between these two parallel universes, a boundary which was theoretically possible to cross. But despite some experiments giving some very strange quantum entanglement results, no one had ever managed to set up a boundary to any supposed alternate universe. That is where my idea came in. Perhaps it was crazy, but such a far-out theory would need something crazy to make it happen. My thought was that alternate universes have alternate people, or alternate versions of the same people. Therefore, human DNA would have to be part of the quantum entanglement prism. The trouble is, any time you create a new quantum entanglement prism, you need plutonium. And if I could not afford to pay, how would I ever convince Darren to sneak me some plutonium? My chance came when Darren, Cindy and I were being reviewed for promotion from Level 1 to Level 2 scientist. I was quietly confident that I had published enough research to qualify, and sure enough: I did get the promotion. But I admit I was a little surprised when Darren did as well, especially when Cindy did not. I always thought she was a far more diligent scientist than Darren. How did he put out enough work to get that promotion? The answer came a few weeks later, when I was reviewing some of his data for my own work. I realised he had made a mistake. After 2 days of checking that I was right about this, I finally convinced myself that there was definitely a mistake in Darren's work. So I approached him about it. To cut a long story short, Darren eventually admitted to me that he had faked some of his results. I was taken aback. In response, I tried to convince him to voluntarily admit he had made a mistake. Because for a scientist, mistakes in calculations happen, but to fake results is almost unforgivable. But Darren refused. He said there was no way he could do that without making it fairly obvious that the mistakes were deliberate. So what should I do? Should I report his mistakes, and ruin a friendship? Or not report them, even though pointing them out would help enhance my standing as a diligent scientist? After returning to my office and pondering for a while, I realised I could turn this to the advantage of both of us: I would promise keep quiet about it, if Darren got me a small sample of plutonium. To my surprise, he immediately agreed. He was very prompt about it too. I don't know what his connections were, but 2 nights later he arrived at my apartment, and delivered me the plutonium in a radiation proof box. Darren tried to find out what I was using it for, but I was evasive. He knew it was so that I could build my own quantum entanglement prism, but I didn't want to tell him the application I had in mind. Partly because I didn't want to be laughed at, because parallel universes are very much a fringe theory. So the next Monday, I got ready to test my theory. I needed human DNA, and of course, the easiest human DNA to obtain was my own. So I peed into a flask, and took it to the lab. A couple of hours later, using it with the plutonium, I had created my own quantum entanglement prism. But would it work? Because I was so nervous that I might be wrong, I booked the quantum entanglement machine for the last session of the day, when it was very unlikely that I would be seen. Of course, no one is allowed to open doors while an experiment is in progress anyway. But still, I felt comfortable doing my experiment when fewer people would be about. ***** So at 5pm on Monday night, the time slot I had booked the quantum entanglement machine, I walked down to the quantum entanglement lab, carrying my prism. After several tries, suddenly it worked. I knew immediately that something had happened. There was a thin film of green light right down the centre of the room. I was on one side of this film of light, and on the other side of the film of light was the other half of the room - or so it appeared. Now, according to my theory, this film of light was the boundary to the alternate universe, and on the other side of this film I was actually seeing how the room looked in this alternative universe. But nothing looked different: that is, the other side of the room looked just as it did before. But my theory was that something about me was different in this other universe. So how could I test this? Suddenly I realised I hadn't brought anything to push across the boundary to test it! After a few moments' thought, I decided a shoe would do. So I took off one of my shoes, and began to push it across the boundary. It looked different... or so I thought. As I slowly pushed the shoe over the boundary, it seemed to change slightly in its shape and size. It seemed it was a little smaller and narrower, and had a more "elegant" style. Or was I imagining it? Anyway, after it was about halfway over the boundary, I slowly pulled it back, taking care not to cross the boundary myself. I looked at the shoe. Well, it didn't seem to be changed or damaged in any way. What else could I test? So I took off my watch and put it on the floor, and slowly pushed it over the boundary. This time the difference was clear: as I pushed it over, the watchband on the other side was far narrower, about 1/3 of the width. It looked like... surely it couldn't be... a women's watchband? I pushed it a bit further, and the watch face did indeed look like a petite women's watch. But how could I know for sure? I pulled the watch back, and had a little think. After a bit more thought, I took out my wallet. I pushed the wallet over the boundary, and as it crossed, it began to turn into a purse. By now, it was clear that the person in the other universe was a woman. But who was she? Then I realised how I could find out: my University ID card. So I took the ID card out, and slowly pushed it just over the boundary. I couldn't believe my eyes. As I pushed the card over the boundary, the photo and writing changed. The photo of me was replaced my a photo of a young woman. The name changed from "Dr. Andrew Bell" to "Dr. Andrea Bell." A female version of me?? My ID card didn't have a birth date, but then I realised my driver's license did. So I got a pen and pulled the ID card back over the boundary, and pushed the driver's license over instead. The same woman was in the photo, again called Andrea Bell. Her birth date was the same as mine. Wow. An alternate universe, with a female version of me. Now, perhaps I should have stopped there. But I couldn't help wondering: was there any way to see her directly? So far, everything I had pushed over the boundary had come back undamaged. Could I put a part of myself over the boundary? But what if it went wrong? Was there a body part I could afford to damage? I decided that the little finger on my left hand wasn't too essential, as I am right-handed. So tentatively, I put my left hand near the boundary, and slowly slid it to the left so that my little finger crossed the boundary. It was hard to tell, but the finger looked a little smaller, and the fingernail looked neatly trimmed. I pulled my hand away from the boundary. There were no ill-effects: there was no pain or obvious damage to my little finger, and if it had looked smaller over the boundary, it was now back to its normal size. It was time for something bigger, and since my left shoe was still off, I slowly pushed my left foot over the boundary. Now the change was definite: my large foot in a black sock was replaced by a slightly narrower foot, in a light grey sock with pink dots on it. Wow, this sure appeared to be female. Was there a way to be even more sure? I pulled my left leg pants up to just below my knee, and pushed my left leg a bit further. It sure appeared to be shaved, like a female leg. I retracted my leg, and again saw my normal hairy leg. I pushed my leg back over the boundary, and this time, reached over with my left hand. Then I had another idea. I brought my hand back and re- attached my watch. Then I reached over again. Whether or not it was a smaller hand - it certainly looked like it - it had the thinner, feminine watch attached to it. With my left hand and left leg both over the boundary, a cautiously touched "my" leg with "my" left hand. My leg felt smooth and hairless. Wait, I thought, that isn't right! I thought I was just seeing a projection from another universe. So with my hand and my leg still in my universe - even though I couldn't see them - I should be feeling my male hairy leg, even though all I could see was a female hand touching a female leg. If I was seeing a female hand touch a female leg, why was I able to feel it? What was going on here? Was this more than a projection? Was I feeling sensations from this parallel universe? But then, I thought, it might just be a powerful optical illusion. I see a hairless leg, so I feel like I am touching a hairless leg. I closed my eyes and touched again. It still felt hairless. Was I just imagining the lack of hair, even with my eyes shut? Or was this something even more dramatic than I had imagined: that when I reached into the alternate universe, I was experiencing the sensations of my female equivalent? Then I realised, with trepidation, that there was only one way to know for sure. Only one way to feel, and be sure I was feeling a female body not a male one. That one body part which is unmistakably male or female. It seemed risky, but nothing had gone wrong so far. Everything that went over the boundary, including my hand and leg, had come back unchanged. So, after double checking that no one could see in the door, I removed my other shoe and my pants, so all I had on below the waist was my underpants and socks. Then I sat on a wheeled chair, leaned back, and slowly began sliding the lower part of my body across the boundary. As I began sliding, and my legs went over the boundary, hairless legs appeared on the other side of the boundary. As I got further in, past my knees, I stopped and looked. The thighs seemed wider, and had quite a different look to mine. They certainly looked like female thighs. Again I touched my legs, and again they felt hairless, and also felt quite a bit softer and fattier than the thighs I was used to touching. So, they really did seem to be female sensations. But were they? I paused for a few moments. I was pretty sure what I was going to see, but had to gather myself and prepare for it. I slid my lower waist across the boundary. And there, as I had been anticipating, was a very unfamiliar sight. As I pushed my lower waist over the boundary, my underpants - with the outline of my male parts inside them - changed. In their place I was looking down at a pair of pink panties, hugging my crotch, leaving no possible room for any male equipment. I was staring down at a female crotch. Presumably, the crotch of my female equivalent, Andrea. As I stared in wonder, I could tell that I was getting aroused. Of course, no erection appeared inside the pink panties I was looking at. But what was stranger was, the arousal felt different to how it usually felt. I could tell I was getting excited, but I could not sense the tell- tales signs of an erection beginning. Nervously, I reached a hand down and touched the front of the panties, and felt something completely different from every other time in my life I had reached down there. There was nothing. At least, nothing sticking out. Just a flat, smooth crotch. In fact, I felt two puffy outer labia, with a slight vertical indent between them. It confirmed that I was touching a female vulva though the panties. But as I felt around, I became aware of the sensations coming from my own crotch. My groin area could feel my hand touching myself, but my penis could not feel a thing. It was as if my penis wasn't there. Combined with what I was feeling with my hand, I really did feel like it was my own vagina, and I was feeling it. The sensations were too much. I withdrew my hand, and then slowly slid my chair backwards. Then there was another surprise. As my lower body emerged, I saw that I had a raging hard erection. Suddenly the feelings of being hard came to me, and I could feel my erect penis straining against my underpants. This was so strange. Not only was I feeling and sensing a female body, but my male body was getting an erection without me knowing. Yes I had been aroused as I saw and felt a female groin, but the sensations were very different to hardness. They were... something else. But those sensations had got me curious, so I pushed the chair forward again, and again saw my underpants replaced by pink panties which were flat at the front. This time, I put my hand inside the panties. Any possible doubt it might be illusion, was now gone. I felt around, and instead of a very erect penis, I felt an opening. As I pushed a finger inside it, I could tell it was quite wet inside. Yes, my finger was feeling inside my own body! Feeling around a bit further, I could feel something really sensitive. It felt like the tip of my penis. I guessed, correctly, that it was my - or Andrea's - clitoris. I was now getting incredibly aroused, but thought better of it and stopped. I realised that if I kept touching, an orgasm might not be far away. And presumably, an orgasm would mean my male self having an ejaculation. I did not want to have to explain that mess. But still I was curious. If that is what a vagina felt like, could I also experience what breasts felt like? So I leaned further back, and inched the chair further forward. I didn't want to put my head over the boundary, because who knows what that would do. But I got far enough forward that I could just make out breasts on my chest. I gave one of them a little touch, and sure enough, it felt soft. I withdrew again, and again returned to my male self. I was still incredibly aroused, but relieved to see I hadn't shot my load and made a mess. I decided... I wanted to take the plunge, and explore this properly. I had established that parts of me could go over the boundary with no ill- effects. And I had also established that whatever went over the boundary had female feelings. So it was time to go right over. Just in case it went horribly or even fatally wrong, I spent a few minutes writing in my notebook, describing what had happened over the last few minutes. Of course I left out the sexual arousal part, simply noting that I could see and feel female genitals inside female panties, yet it felt that it was my body inside them. Then I was ready. Slowly, I once again slid the chair forward. As before, smooth hairless legs appeared. Then a female crotch inside pink panties. Then breasts appeared on my chest. And finally: I took a breath - like going underwater - and pushed the chair a little further forward, taking my head over the boundary. I looked around. Well, I was alive! That was a start. I looked down. I was indeed in a female body. I gave the breasts a proper feel. As before, they were soft; and stranger still, I could feel my hands touching them: they were part of my chest. Yes, I had breasts. I felt my groin again, and again there was unfamiliar feeling of no penis, just a vertical indent. I had done it. Somehow, I was in the body of a female version of me. I reached back for my wallet and cards, which turned into a purse and cards as they crossed the boundary. I double-checked and it was true: apart from the change from Andrew to Andrea it was the same name, same birth date, and I was working in the same research lab. Even the address on the driver's license was the same. This really needs more exploration, I thought. I should check out how similar Andrea's life is to my own. And the only way to do this is to leave the lab. But I could not leave the machine on. So to do this, I must be Andrea at least for overnight. Dare I do it? I decided I could handle it. Obviously I would have to pee sitting down. But otherwise, our lives seemed to be similar enough. So I had to do it. Both "for science," to see how similar Andrea's life was to mine; but also to satisfy my curiosity: what was it like being a woman? I slid the chair back to the male side, and checked the booking sheet. There was a free session at 11.00 the next morning (Tuesday). That would be perfect. So I gathered everything of mine I needed - my pants, shoes and notebook - and slid back to the "female" side again. I looked down again. Without even touching, it was obvious from my pink panties, and the way they hugged my crotch, that I was female again. I pulled the pants on, noting how different the cut was. The pants pushed up tightly against my groin, though of course with no discomfort, because there was nothing there to squeeze. OK, this is it, I thought. I reached for the machine - which was right in the middle of the green boundary, so was accessible from either side - and turned the machine off. The film of green light went away, and everything else looked the same. I was a woman, Dr. Andrea Bell, standing in the lab, with my shoes off. I put my shoes on, and had a think about what I would do. I wanted to find out as much as possible about this universe - if that is what it was - to see what differences there were, except for the obvious that I was female. I already knew that I had the same birth date, lived at the same address, and had the same job. So these universes appeared to be very similar. The other thing was, I would have to act like Andrea as much as possible. I couldn't have people suspecting what I had done, because who knows what that could lead to. At the very least, I would lose my "scoop" as the first person to discover a parallel universe. Well, this is it, I thought, as I rubbed my unfamiliar groin once again, then headed out the door of the lab. I am a woman called Andrea Bell for the next 18 hours. This is sure to be interesting! ***** I left the lab and headed back to my office. Gary, one of the senior researchers, passed me in the hallway. "Hi Andrea," he said, as if nothing was unusual. "Hi Gary-" I said back. I was taken aback by my voice. Of course, it should have known that my voice would be higher, but it was still a shock to see hear it. As I got a bit closer to my office, I saw Darren outside his office, two doors down. I smiled and waved a quick, "Hi," as I went into my office. My office looked almost entirely the same as before. Then I noticed something different: a little funnel sitting in a corner of the desk. After a few moments, I realised that it must have been so that female me could give a urine sample. "Well, that's one difference between these universes!," I smiled to myself. I gave it a little look; it seemed to be washed clean. The next thing I noticed was that my pin-up board looked different. Instead of photos of me holidaying or partying with Darren, there were photos of a woman - presumably me - holidaying and partying with Cindy. Apparently, in this reality, I was best friends with Cindy instead of Darren. The photos made me realise I still didn't have a good idea of what I looked like. So I put the prism in my storage cabinet, and went down the hall to the women's toilets. ***** The first thing I noticed was that the layout of the women's toilets was different. There were no urinals, of course, only stalls; and the colours were a light pink instead of blue. But also the mirror and basin area was a little longer. This suited me because I wanted to take a good look at myself. My face was very much like my male face, though rounder and with softer features, and of course no stubble. You could tell that I was from the same family as my male self, and there was quite a resemblance to my sister. My dark, straight hair was a little past shoulder length, held in place by some hair clips. I couldn't get a good feeling for my height from looking in the mirror, though I already knew, from when I walked past Gary, that I was shorter than I had been. Still, I seemed to be fairly slim and tall for a woman, slimmer than either my mother or my sister. As far as I could tell, I was definitely taller than my mother, and probably taller than my sister as well. Another thing obvious was the redistribution of body mass. My shoulders were much narrower, while my hips were wider. Then of course there were my breasts. I had already had the strange sensation of feeling them before, and now I felt them again. As far as I could tell they were fairly average sized, perhaps even smaller than average, but they seemed well in proportion to my slim build. In short, I looked like an attractive professional young woman. Finally, I went into a stall to look at myself "down there." I pulled my pants down, and again looked at those pink women's panties, completely flat at the front. Then I pulled the panties down, and looked in amazement. My pubic hair was almost entirely shaved, giving a good look at my vulva. Instead of seeing a penis there, as I had every day of my life, two outer lips were in its place, parting slightly to show the opening to a vagina. It was not a surprise, but still a shock, to see this vertical opening in place of my penis. I touched the lips, and they felt rather like my scrotum, except not at all saggy, and of course no testicles inside. I felt around, and it was kind of nice, though probably not any more nice than stroking my dick as a male. I sat down and peed. It was a bit of a surprise to feel it come out so low down, and found I had to wipe. This is quite a bother, I thought, as I wiped up. I figured I had done enough exploring for now. I left the women's toilet, and went back to my office. ***** As I walked out, I saw Darren again. "Hi Darren," I smiled. "Hi Andrea. How'd that lab session go?" "Oh good, really good," I said in my still-unfamiliar high voice. "So... are we still on for tonight?" 'Uh-oh I thought, what was this about?' I thought. "What do mean?" I asked. "Dinner at your place!" he said. "Isn't that what we usually do Mondays?" "Oh yeah, I forgot." "Well, should we go in 10?" So a few minutes later, we were walking out together. To surprise, he held my hand as we walked out the doors to the car park. Then he turned and gave me a hug. "So... see you at your place." And gave me a kiss on the lips. I was stunned. Was I his girlfriend? I mean, it sort of made sense: in my reality I am his best male friend, so here I am his best female friend. I decided I could not afford to give away that I wasn't really Andrea. I would have to act the part. ***** My car was same blue hatchback I was familiar with, and it was even parked in the same place as I had parked it that morning, as Andrew. I had previously seen that my driver's license showed the same address as Andrew's. So I drove to the same address, hoping it was still my flat. Driving after suddenly becoming female is a strange experience, because I found myself concentrating and forgetting my body was different. Which made it all the stranger when I stopped at traffic lights, remembered what had happened, looked down, and saw I had breasts. Yes, I am doing everything I normally did, despite being female. I arrived at my apartment block, and everything looked familiar. I walked up, and tried the key in the lock, and sure enough, it opened. It looked very slightly different, though I couldn't put my finger on why - perhaps it was a little tidier - but it was otherwise the same apartment. A couple of minutes later, Darren knocked on the door, and I let him in. He welcomed me with another kiss. So Darren made dinner while we talked and half-watched the TV that was on. As far as I could tell, everything about my apartment was how I remembered. Also, on TV, everything on the news and sport seemed to be the same as the universe I had known. Same politicians, same sports teams, same current events. It really did seem that the only thing that had changed was my gender, and my relationships with Darren and Cindy. We continued to chat during dinner. It wasn't hard to keep talking, because I knew Darren well in my universe. As he did with the male me, a lot of the talk turned to sport. I wasn't sure what to do to avoid giving myself away: I didn't want to show sport knowledge which Andrea wasn't meant to know, but I also didn't want to be ignorant of something Andrea actually knew. Because what if I say I'd never heard of a certain sportsman, when Andrea had really talked about him the other day? So I tried to stay a little non-committal when we talked sport. After dinner, we settled on the sofa in front of the TV, and Darren made us coffee. A minute or so later, Darren put his arm around me, and leaned in for a kiss. Of course, since I was meant to be his girlfriend, I returned the kiss. It wasn't like the peck on the lips in the car park, this was a proper, passionate kiss. And it was strange, to say the least. I was a virgin, and hadn't even kissed much. But one thing I'd never done is kissed a man. Kissing a male face, with stubble on it, was strange, though not unpleasant. Darren began to run his arm down my arm, and I found it quite soothing. I was beginning to enjoy cuddling Darren. Then I felt ran his hand across my chest, and I found that even more soothing. It was exciting, even. So it took 15 seconds or so to realise that he wasn't just rubbing my chest, but he was rubbing my... one of my breasts! It was pretty obvious where Darren was taking this. But I had never had breasts before (obviously), and I was enjoying this new feeling of having my breasts rubbed, perhaps enjoying it a bit too much. I heard myself make a few high-pitched sighs. After a little while, Darren also had his hand stray to my legs a few times. And then a few minutes later, I felt a hand on my stomach. Before long, that hand was slowly going down towards my lower abdomen. Now, as a male, of course being touched in the lower abdomen is really sensitive, and my instinct as a male would have been to draw away. But as a female, all my sensitive parts were inside. So initially, just like on other parts of my body, it was just soothing. Then I realised what was happening: he wasn't just rubbing my lower abdomen, he was rubbing my genitals! This could only be leading to one thing. Was I ready for that? But as he rubbed more, I could feel the excitement build. And so, almost before I knew it, Andrew was unbuttoning my pants. "Should we go to the bedroom?" He smiled. Well, I've gone so far, I can hardly say "no" now, I thought. Evidently Darren and Andrea were sleeping together. This was going to be interesting, I thought, because as a male I was a virgin. But much more than that, I was incredibly turned on and excited, so much so that I surprised myself with my answer, "I thought you'd never ask!" I purred. So he led me by my hand to the bedroom, and we embraced again as we fell onto the bed. As my male friend, Darren had told me that he always keeps a condom in his jacket pocket. And sure enough, I saw him take one out before discarding his jacket. This was actually quite comforting, for two reasons. First, it meant I couldn't get pregnant, so I was free to experiment. And secondly, strangely, it somehow made me think that Darren was trustworthy: he was a man of his word; when he told his buddy he used a condom with girls, he really did. As we lay on the bed, he put his hand inside my panties. He kept rubbing me down there, and I got more and more excited. The feelings were building, like an erection. Of course nothing was getting erect. But I could feel the excitement building and, as if the day wasn't strange enough, I could tell as he felt around that I was getting wet. He gradually undressed me, and when he finally pulled my panties off, I was ready. I did realise it was strange. All those years I'd been wondering what it would be like to put my penis inside a woman's vagina; and now, instead, my first sex would be having someone else's penis inside my vagina. Darren pulled his underpants down, and I gasped. As Andrew, I had been in a change room with him, and knew that he was a little larger than me. But I had never seen him erect. It was huge - much larger than my erection ever was! Would it really fit inside me? He slipped on the condom, and smiled. Darren continued teasing me, touching me around my vagina, until I was even wetter. I was so aroused, that any masculine thoughts were long gone. I wanted to be his woman. I wanted him inside me. Finally he started to push his penis in. How can I describe it? It is like the tip of my penis had opened up, and he was pushing up inside the tube inside my penis. And although I wanted it, I started to feel pain. As he pushed inside me, it began to hurt. "Ow," I said in my high pitched voice. "It hurts. Perhaps go slower." Darren slowed a little, but it didn't stop hurting. "You weren't like this last time Babe," he said. "I... I don't know what's wrong," I said. Which was certainly the truth! I didn't want to give away that I was really a guy called Andrew and I had no idea what I was doing, and yet I had to let him know that something was not quite right. Despite my pain, Darren gradually pushed all the way in. Soon after, I could feel him spasm and ejaculate, and begin to go soft. Although I was disappointed that I hadn't reached a climax, I was relieved; because as he went softer, it began to hurt less. Darren pulled out and then took the condom off. I just lay there, a little disappointed and still in a little pain. But I tried to put on a happy face. Hopefully he didn't realise how much it had hurt. He leaned in and kissed. "Maybe next time Babe. I'm sorry it hurt for you. You're so sexy, I want to make it as good for you as it is for me." I decided there was no point acting hurt, because I didn't want to give away who I was. "That's ok Daz. I got really close. And it was still good." Uh-oh. I called him Daz, the nickname I sometimes used for Darren. Hopefully Andrea sometimes used it too. In any case, Darren didn't act like anything was amiss. He stood up, looking at my naked body. "You can lie like that as long as you want!" he smiled. "But I guess we both have work tomorrow." I took that as a hint that he wanted to go home, which was a relief. He got dressed, and I forced myself to give him another kiss goodnight. After he left, all sorts of thoughts went through my head. Apparently sex between Andrea and Darren had happened at least a few times, so why had it gone so badly for me? Has Andrea only just started having sex? I'd heard that it can take a few times for a woman to really enjoy it. But almost worse than the pain, was the horniness. It was so frustrating to get that close to a climax, not orgasm. So I began rubbing myself down there again, where Darren had. It was good, but not great. I tried putting my finger inside, and found what I had when I first explored my female genitals: my clitoris. After a few tries, I worked out that stroking it in a certain way didn't just feel good - it felt amazing! Why hadn't Darren done that? I continued to stroke my clitoris, and the feelings built. The pleasure was increasing, certainly getting further than Darren had got me. And yet, I couldn't quite get to a climax. So I closed my eyes, and let my mind wander. And my mind soon drifted to the sight of Darren's erect penis. Despite the disappointment of sex that night, I so badly wanted it inside me again... And as I thought of his magnificent hard penis pushing into me, my orgasm finally came, washing over me. It was the familiar feeling of pleasure I got from a male orgasm. But it seemed to go longer: it just went on and on! And soon after I fell asleep, finally satisfied. ***** I woke up in the morning to my alarm, in my familiar room. But something was different, what was it? Wait, did yesterday really happen? Slowly, I pushed my hand down towards my groin. As it got to where my penis should be, I felt... nothing. I felt all around between my legs, around my groin, but it was true. I didn't have a penis. It really had happened. Somehow I had crossed over to an alternate universe, and I was in the body of Andrea Bell, my female equivalent in that universe. More bizarrely, I was the girlfriend of my best friend Darren Parker, and we had had sex. As I woke up more properly, I remembered that I had booked the lab for 11.00 that morning. Then I thought back to last night. While it was interesting experiencing sex and masturbation as Andrea, I really needed to be scientific today, and find out as much as I could about the similarities and differences between Andrew's and Andrea's lives, before crossing back into my universe. So first thing, I got up and had a shower. Showering as a female was different, and kind of interesting. I felt the urge to pee, and amused by myself trying to aim at the drain, and failing badly. Fortunately the shower washed the water off my leg. Really, do women have to through life like this, with no way to pee except sitting, I thought. I resisted the urge to pleasure myself again in the shower. Actually, drying myself was more stimulating than showering, as I had to rub my boobs, and thoroughly between my legs, to dry myself. Drying between my legs was strangest feeling, rubbing back and forth with nothing in the way. It was a little erotic, but again I resisted the urge to take it further. I got into my underwear. The bra took a little work. The panties were easy, of course, but again I couldn't get over how they pressed snugly at the front, with my genitals not pushing out at all. I got dressed more or less how I had found myself yesterday: in a fairly conservative blouse that looked just like the one from yesterday; and the same pants and jacket as yesterday. As I ate breakfast, I looked over my social media. What surprised me is that there was no mention of Darren, and certainly no hint that I was in a relationship with him. So was our relationship new, or secret, or both? The other main change from "my" universe, which I had briefly noticed yesterday, was that I appeared to be quite good friends with Cindy. In fact, many of the updates of me hanging out with Darren on a boys' night out, were now replaced with Andrea hanging out with Cindy, on a girls' night out. Otherwise, everything about this universe seemed to be the same as the one I knew. All my family was the same, nothing about my other friends was any different. And a more thorough reading of the news confirmed what I had noticed last night: that all events in the news seemed to be no different from the universe I was familiar with. It seemed to be an exact copy of the universe I knew, with the single exception that I had been born female, and my relationships with Darren and Cindy were different. When I got to work and studied my work files, I did notice one other difference though. I was no longer promoted to Level 2 Scientist! In my universe, Darren and I had been promoted, but Cindy had not. But here, only Darren had been promoted, but Cindy and I had not. This was unfair! My publications and performance were exactly the same: the only difference was Andrea is a woman. So that was why Cindy had not been promoted in my universe - or this one, for that matter - because she is a woman too! It did occur to me that, in addition to a groundbreaking discovery in physics, I had also discovered irrefutable proof of sexism in the workplace. But still that was cold comfort. Mostly I was furious on Andrea's and Cindy's behalf. I went to get my morning coffee at the office tea room. As I was coming back, Cindy saw me, and followed me to office. "Hi Andrea!" "Hi Cindy!" "I missed you last night." "What?" "At the staff club. You should have been there." She dropped her voice. "There was a hot guy from the Maths department there. Peter. You should have been there. I got all flutters. I could have used a wing woman." "So it went nowhere?" "No, unfortunately. But I couldn't stop thinking about him... when I lay in bed when I got home!" I smiled. "But anyway, where were you? I thought you were going to meet me there?" Not knowing whether Cindy knew about our relationship or not, I just told her straight out, "I was at my place with Darren." "Darren! You can't be serious! I thought you hated him!" I thought quickly, "Well, he's not too bad." "Not too bad! After what he's done! What's got into you?" I could hardly ask her what he's done, because presumably whatever it was, Cindy knew from me telling her. So instead I said, "Look, I think he's ok." "I don't know what's got into you, girl! But it's your choice. I just hope you didn't take things far." I blushed and looked down. "Andrea! I can't believe it! I thought you were saving yourself for marriage!" I was stunned. But I should have realised. As Andrew, I had told Darren that I wanted to wait until marriage, or at least until I was sure it was the woman I wanted to marry. So it made sense, in this parallel universe, that Andrea had said the same thing to Cindy. I guess that is also why sex hurt a little - it must have been Andrea's first time! I tried to think of something plausible to say, "I... I just couldn't resist him. And... it was a fun experience, I've got to admit." "Your choice," she smiled, "I'm just surprised it was Darren, after all you've said about him." I gulped. Again, I wonder what I had said about him. I smiled an awkward smile. "Well, I think I've decided he's not so bad... obviously." Cindy sighed, and returned to her office. ***** After what Cindy had told me, I realised I should not have slept with Darren. Then, to at least minimise any damage, I decided I had to tell my female self what I had done. So before heading back to the lab to change back, I wrote a letter to Andrea. "Dear Andrea. I should let you know that I slept with Darren last night. Sorry if this causes problems. Andrew." I sealed it in an envelope, and put it inside her notebook, just jutting out so I knew she would see it. ***** Then, it was time to change back. I took my prism to the lab, put it in the quantum entanglement machine, and started the machine up. After some fiddling to get it right, I saw the green film of light appearing again down the centre of the room. I got on the wheeled chair, took a deep breath, and slowly slid through. I looked down: I could see a shirt, without breasts. Further down, I could see dark pants, no longer hugging my groin tightly. To confirm, I felt my groin. Yes! I have changed back, I smiled. I stood up and looked over the rest of my body, and I was clearly my male self again. There was no need to spend any more time in the lab, so I shut down the quantum entanglement machine, took out my prism, and went back to my office. ***** But a surprise was waiting for me. In the middle of my desk, was the notebook, just like I had left it for Andrea. And there, for me, was an envelope jutting out, just as I had left for Andrea. I pulled it out and, sure enough, it said "Andrew" just like I had written "Andrea." Nervously I opened it, and read: "Dear Andrew. I should let you know that I slept with Cindy last night. Sorry if this causes problems. Andrea." ***** Well, I wasn't expecting that! It sort of made sense though. In my universe, Darren was my best friend and Cindy was the girl I liked. In the other universe, Cindy was my best friend and Darren was the guy I liked. So if me-turned-Andrea was able to sleep with Darren, where Andrea was unwilling to, it made sense that Andrea-turned-me was able to sleep with Cindy, when I was unwilling to. And with all that, it made sense that Andrea wrote a note to me, almost identically worded to mine to her. And yet, there did seem to be a difference. According to Cindy in the other universe, Andrea had hated Darren. But here, I never hated Cindy - quite the opposite. I'd just been unable or unwilling to strike up more of a friendship; out of fear she would say no. In retrospect, I should have thought about this difference more. But instead, the idea of sleeping with Cindy clouded my judgement. All I could do was marvel at how Andrea-in-my-body had slept with Cindy; and how I desperately wanted to do the same. ***** Later that day I walked past Cindy's office. Since no one was around, I thought I'd take the plunge, and I walked in. "Hi," I said. "Oh hi handsome!" she smiled. "So, umm..." I began, realising I hadn't planned what to say at all. "Do you... do you want to do go out for dinner again tonight." Her smiled turned to a frown. "I thought you said you visited you mother on Tuesdays!" "Oh yeah, sorry, I forgot." (While thinking to myself: either Andrea sees Mum more than I do, or she was lying!) She continued to glare. "How could you forget? It was one of the big things we talked about." "Well, you could come too." "What!" she practically shouted. "What has come over you? You assured me you we could keep our relationship secret from family for a few weeks! Why the sudden change?" "I, err..." I struggled. "Look, I don't know what's come over you! I thought I got to know a really sensitive man, who listens to me. Now I'm beginning think you were saying things just to get me into the sack!" "Look, sorry," I said, "I'll talk to you later." I went back to my office. That really could not have gone worse if I tried! ***** Later in the day I tried to speak to Cindy in the tea room, but she walked out without saying a word. So I spent the rest day making sure I had noted everything, then did some other work, and went home, frustrated. The next day, Wednesday, I tried to talk to Cindy again, but she just turned her back on me. How could I repair our friendship?, I thought. How could I know what to say to Cindy to fix this? (And by "fix this" I was thinking, "How can I fix this so Cindy will sleep with me?") As I thought, I decided I knew what the problem was. The trouble was: I had no idea what Andrea-as-me had said to Cindy. It sounded to me like she had built on Andrea's existing friendship with Cindy in her universe, and sex that night had flowed naturally from it. I would have to find out what they talked about. But how? After thinking for a while, I got a crazy idea. I could become Andrea again! And leave another note for her, asking her to write about her night with Cindy. Come to think of it, if these universes are mirrors of each other, maybe Andrea was having the same problems with Darren. Maybe I would need to go across and write to her what I did to let Darren seduce me. (Though it didn't seem like I had done much, except let him invite himself to my place). It turned out the lab was all booked up that day, so I booked it for next day, on Thursday. I also booked a session for the day after that, the Friday, so that I could change back after one day and night as Andrea. Now looking back, I should have realised that our universes were not quite mirrors of each other, and the fact that Andrea had hated Darren should have been a warning that a few things were different, possibly significantly different. But I think my judgement was clouded. Mostly because I was desperate for things to be set right so I could experience sex with Cindy. But the truth is that I also I wanted to experience sex was a woman one more time. It probably sounds strange, but you must remember I had been a male virgin, so that sex as Andrea was the only sex I had experienced at that stage. And even now, back as a man, I couldn't shake the wondrous feeling of Darren's hard penis pushing inside of me, and my tiny clitoris rubbing against him. Even though it had hurt, I wanted to experience it again, hopefully this time with an orgasm. Either way: in my eagerness to have sex - both as a man, and as a woman - I ignored the red flags. ***** Anyway, the rest of Wednesday passed without much happening. Cindy avoided me as much as possible, and otherwise work continued as normal. On that Wednesday night, I wrote a letter to Andrea, for her to read once we changed universes. I explained to her what had gone so badly with Cindy, and why I needed her to tell me what they had talked about, so hopefully I could rescue the relationship. (Of course, this was just being selfish, I just wanted to experience sex with Cindy!) I also wrote out, as best I could, what had happened with Darren, so she could hopefully sort things out with him. So it turned into a rather long letter. The next morning, I left the letter to Andrea inside my notebook, and again went into the lab with my quantum entanglement prism. I started up the machine, and I soon adjusted it so that the thin green film of light was the dividing the room, just like the two times before. I first put my left hand through and, sure enough, on the other side of the film of light I could see a feminine hand wearing a feminine watch. So yes, the quantum entanglement was working again. With that, slowly I slid the chair over, into the female-me universe again. A quick look down revealed I had changed. First I put my hands to my chest, and again felt the strange feeling of soft breasts. Then I put my hand down below, it again felt that strange feeling of a smooth groin, with no penis there. Yes, I was Andrea again. As on Tuesday, there was not much else to do in the lab. So I shut down the machine and walked back to my office. On the way back, I saw Darren walking the other way. "Hi Darren." I smiled, as I thought again of what we might be able to get up to to that night. ***** When I got back to the office, as expected, there was an envelope from Andrea in my notebook. But I got a shock. Instead of the long detailed letter I had written to Andrea, her letter to me was short and to the point: "Dear Andrew, I know this is not you fault, but you should not have slept with Darren! He has been sexually harassing me, and I have been avoiding talking to him, except when I have to. Whatever you do while you are here, please do nothing with him romantically; in fact, if possible, do not talk to him at all. Yours Sincerely, your female analogue, Andrea" I put the letter down. Well, there goes any possibility of sex with Darren. In fact, as I thought more, there goes any reason to be in this female reality at all. I looked at the clock. I still had 20 minutes of lab time. Why don't I just reverse it? I have no reason to be here, and I don't really care if my chances of sex with Cindy are ruined. I just don't want to stay in this female-me universe and mess anything else up. So I grabbed the prism and hurried back to the lab. It was still free, so I had my chance. I plugged in my quantum entanglement prism, and started the machine up. No green film of light appeared. I tried several things, but nothing worked. What was going on? Was it because, in my universe, Andrea-as-me had not decided to come back to the lab? Whatever the reason, it wasn't working, despite me trying all sorts of things in my remaining lab time. So when my time was up, I went back to my office; resigned to spending at least one more day as Andrea. ***** I tried to spend the rest of the afternoon working, but it was hard. Every minute or so, it was hard to avoid thinking "Wow I'm a woman," or looking down at my breasts; or, most of all, it was hard to avoid reaching down and finding that alien feeling of nothing but smoothness between my legs. Unable to concentrate enough to do any "real" research work, instead I spent time looking through my administration and financial folders. It confirmed what I thought: Andrea was equally as good a scientist as Andrew, and had published the exact same papers Andrew had, but had not gotten the promotion when Andrew did. It did not seem to have had a significant issues on finances: my bank balance was very slightly lower, probably because of the recently missed promotion; but everything else about my life and my monetary assets seemed to be the same as they were for Andrew. Eventually, it was time to go home and made myself dinner. I put on the TV and found my basic interests hadn't changed: I still enjoyed sport, and didn't seem drawn to watch any stereotypical female programming. As I sat alone on the sofa, my hand drifted to my crotch, again and again, because I could not get over the feeling of it being completely smooth, with no penis anywhere. Gradually my feelings went from wonder and shock, to feeling around and beginning to arouse myself. So I decided to go to bed and pleasure myself as a female one last time. So I got undressed, and lay back on the bed, completely nude. I admired my breasts, and gave them a gentle feel, marvelling at how soft they were. As I felt them, I began to get the beginnings of arousal, as I had the other night with Darren. Then I felt below, found my clitoris, and began rubbing it. But wonderful as it felt, I couldn't get past a certain point. I tried to think of sex with Darren the other night. But now that I knew he had been sexually harassing Andrea, and presumably the other night was just opportunistic sex on his part, I felt repulsed, and I could feel my arousal subside. It was too hard. I couldn't reach orgasm without thinking of sex, and I couldn't think of sex without thinking what Darren had done the other night. "This would be so much easier if I had my penis," I thought, as I looked down at my pussy. "This little clitoris is at least as sensitive, but it's so much harder to get myself the whole way." After a few more minutes rubbing myself and getting nowhere, I gave up. I got up, and put on panties and a nightie. I cleaned my teeth, sat down (of course) to use the toilet, and went to bed. A frustrating end to a frustrating day. ***** On Friday morning I woke up, though this time I remembered what had happened. A feel down at my groin confirmed I was still female. I didn't see the point of getting to work too early, so took my time getting ready. I had a shower and washed my hair, and then it took forever to dry. Then it took some time getting dressed, with the infernal bra taking several minutes to get right. Finally, when I had to quickly use the toilet before leaving, I was reminded - once again - that I had no option but to sit. Then when I walked to the car, I heard a wolf whistle from across the car park. Was that really necessary, I thought? Can't I just go about my daily business, and go to work without being harassed? I hadn't been promoted, masturbation was difficult, getting ready took forever, I had to sit to pee, and random men were wolf whistling at me. The novelty of this female body was very quickly wearing off. I drove to work, and arrived about 9.30, in time for my 10.00 booking at the lab. It would be a relief to be male again. So 10.00 rolled around, and went to set up in the lab. I turned on the machine... ... and pretty soon realised something was wrong. Whereas yesterday the quantum entanglement prism was starting up properly, but not setting up a boundary; today it just wasn't starting up at all. I checked the voltage level, and my worst fears were confirmed. The prism was low on power. It needed more plutonium. So I tried a few different things for the next quarter hour or so, but eventually I ended my lab session early. There was nothing else for it: I would have to ask Darren for some more plutonium. Hopefully, with sex a few days ago, and the smiled hello I gave him yesterday, Darren would no longer think Andrea hated him. Otherwise I would be really stuck. ***** So after a half an hour or so pondering, I saw Darren walking past my office. I decided there was no point delaying this. "Darren, could you come here?" I called out, in my still-unfamiliar high voice. Darren backed up, and walked back into my office. "What is it, Andrea?" "Could you shut the door please? I want to ask something." Darren gave a strange look, but complied, and shut the door. "I was wondering, Darren. Do you... do you think you would be able to get me more plutonium?" Darren paused for a few moments, looking down. Then he looked up, with a smug smile. "No, I don't think I can do that any more." "But what about... our arrangement?" "What arrangement?" "That I wouldn't tell anyone about you faking results." Darren folded his arms and gave a wicked smile. "I never faked any results." "But I have evidence that you do!" Darren paused for effect. "Not in this universe you don't... Andrew!" I was stunned. He had called me Andrew. What was going on? "Yes. I know that you are Andrew, I know about parallel universes, and I know what you have done." I was still to stunned to speak. "As Andrea, you really were getting annoying. First rejecting my advances, then threatening to report me for sexual harassment. You probably thought blackmailing me was a master stroke, but all it did was make me stalk you more closely. I mean really, you work in quantum entanglement, and you ask me for plutonium? I work in this field too, you know. I'm not stupid. I pretty quickly worked out that the reason you wanted plutonium was to make your own quantum entanglement prism." "So I searched your office, and found you had been reading papers on quantum entanglement between parallel universes. Not a very nice thing for me to do, but then, you WERE trying to blackmail me." "And then suddenly, right after using the quantum entanglement machine, your personality changed and you got really friendly with me. I wasn't sure if you had done a parallel universe jump or something else, but I knew you had changed as soon as you agreed to go on a date with me." "And as an added bonus, I finally got to sleep with you!" He smiled. I was too shocked to say anything. Darren continued: "The other mistake you made was leaving your quantum entanglement prism in your office. So last night, I used it myself." My jaw dropped. "I passed notes back and forth across the boundary to my parallel self." Shoot, I thought to myself. That was so much simpler than doing the body swap again. Why didn't I think of that? Darren continued, "I learned about the parallel universes. And between me, and my dual in the parallel universe where you are male, we worked out what you had been doing. And because you were friendly to me again yesterday, I knew you had crossed the boundary again." "But there is a big difference. In your universe, Andrew Bell was blackmailing me over some sort of faking of results. But here, in THIS universe, there was no faking of results. Instead, you got the plutonium by blackmailing me over sexual harassment." "But I doubt those claims will stand up anymore, now that you've gone and slept with me. I even made sure you got caught on security camera letting me hold your hand and hug you, when we left on Monday night. As far as the security cameras are concerned, you don't have a problem with me anymore. Plus, I spoke to Cindy this morning, and she said the same thing." I was still too stunned to speak. "So that's why I let your prism run out of power last night, and why I'm not giving you any more plutonium: it's better for me this way - in both universes. You can't remember how I sexually harassed you. And over in the other universe, the former Andrea knows nothing about me faking my results. So it's a win-win for me." "I suspect it's also a win for the former Andrea. Because she is male, she is a Level 2 Scientist. Plus I suspect she, or should I say he, is rather enjoying regular sex with Cindy." "Even if you get the plutonium some other way, I can't imagine the old Andrea wanting to go back to his old life, with less career prospects, and no romantic relationship." "So enjoy your new life as Andrea. If it's any consolation, you've got far and away the tightest pussy I've ever screwed... and I'll be more than happy to do it again!" And with a smug smile, he walked out the door, leaving me to contemplate my new life as Andrea. ***** Darren was right. Years have passed, and I never managed to set up inter- universe quantum entanglement again, even when I was finally senior enough to requisition my own plutonium. I think it is because my life no longer closely parallels Andrew's, so our universes are no longer parallel. I am female, for the rest of my life. Not only am I stuck as Andrea, but I also lost the chance to publish an incredible scientific discovery. All because I tried to use it for sexual gratification. Being female... well, I am finally getting used to it, but it's hard. Every morning when I sit on the toilet, I look down between my legs, and I am reminded of how I have lost my manhood, forever. I am reminded again when I shower, when I get dressed, when I speak in my high voice, when I struggle against the glass ceiling at work, and when men try to hit on me. Of course I am especially reminded once a month, and that also reminds me that I may get pregnant one day. I guess being female is not bad in itself, and 50% of the population are born female and are used to it. But because I have lived both male and female lives, I appreciate all the little advantages there were to being male. So this is a story of a great scientific experiment, which went badly wrong. I wanted too much to experience sex in different ways, and it clouded my judgement. The moral, for anyone else smart enough to set up inter-universe quantum entanglement in the future, is to be careful about that parallel universe. It might be appealing to cross over to it, but it is not always easy to cross back. ***** (Epilogue) Since first posting my story, a few people have written to me, concerned that I am unhappy as a woman and only looking at the downsides. Let me assure you that I am ok. My scientific career is a continual struggle against the glass ceiling, but I will manage. Darren was eventually caught faking results AND sexually harassing a young female scientist, and lost his job. Not before he messed up my life, but oh well. I have continued the old Andrea's friendship with Cindy. Remember Peter from the maths department? I was a bridesmaid at Cindy's wedding to Peter a few weeks ago. And though it goes against my old male instincts, I've got to admit I looked really pretty in my bridesmaid dress. I have dated a little, though I am saving myself for marriage again. But don't worry, I have well and truly worked out female masturbation by now. In fact the female orgasm is the one advantage of having a vagina! That doesn't outweigh the sexism, the sitting to pee, the periods, and everything else. I miss my penis, though I am resigned to never being Andrew again. But I will make the best of it: 50% of the population manages without a penis, so surely I can too. The End