Who can't control time?
Answers
Answer:
nobody can't control tym
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Answer:
Not to bash other answers, but they're all either bleak or a little too imaginative… Needless to say, I disagree.
Try this little exercise. Put your phone on the table while you read this, then slide it a foot to the left. Then close your eyes and slide it back. Please ignore the fact that you know you moved it back because your brain told your arm to move and you felt it comply. Ok, then open your eyes and look at your phone.
Voila! It's back to where it was 12 seconds ago! Did you just travel 12 seconds back in time?? No, because the cat isn't back on the couch like it was 12 seconds ago and the second hand of the clock is still ticking away…. But what if the cat was back and the second hand did reverse? Hmm…. Well the sun would still be 12 seconds further to the West and the moon would still be 12 seconds more risen, right? …But what if they weren't? Keep that in mind, but stay with me here.
What I'm getting at is the classic answer you've always heard, the whole “time is a construct, it doesn't exist” and “spacetime is a mathematical representation of how things interact, not actual fabric,” kind of thing. But I'm going a little deeper here. Time has to be something, y'know? It has to exist on some level because it's a phenomenon that finds its way to almost every aspect of reality. So time is something, just not what we've thought it is.
Let's dissect. We need to define our terms. What do we mean by “time?” What would a world without “time” look like? Well, I guess time is change, right? So a world without time would be frozen in place. That kinda sounds like a universe without the second law of thermodynamics… Que entropy! The tendency of any given system to descend into chaos walks into a bar; now it's just iron oxide… Lol, but seriously, entropy isn't what it used to be… literally. Entropy, diffusion, the second law of thermodynamics, they are all the reason that things change. They are the embodiment of time. They are also the reason change is asymmetrical, i.e. why batteries don't spontaneously charge themselves and the sun doesn't suck in light on occasion.
But what if you did recharge the battery and put energy back into the sun? I mean, it's not really doable with current technology, but imagine simply putting things back to where they were X years ago. And by “things” I don't mean bulky clocks and batteries and phones and cats, I mean every little particle. Just put them all right back to where they were with the same tragectory, energy, spin, everything. Of course this requires the knowledge of where and how they were, then also the ability to manipulate individual particles and field excitations at ridiculously accurate rates. But if you could somehow do that, those particles should take exactly the same route and yield the exact same behavior as they did before and produce the exact same timeline all over again, then you could move your phone without touching it, meet Abraham Lincoln, and see exactly how much hair all the dinosaurs had.
So, in summation, YES! You can absolutely go back in time! All you need is a) an ungodly amount of information about the whereabouts of every particle and field excitation, and b) the ability to manipulate the same at an ungodly accuracy. I don't think this technology will be around for a while, but sure, it's super possible.
Now if you'll excuse me, I think I left my phone on the table…
Explanation:
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