<p>And people will invent space travel and live indefinitely? Or will it come to a halt one day and be like "The End"?</p>
<p>Well, time is not real. It is a man-made construct, if you can fathom that.</p>
<p>In reality, a bunch of particles and crap is just moving around. In just one “present” if you will - like, right NOW is always RIGHT NOW. You can create time to communicate with other people, of course - say where that thing just was, or where you might be “in the future.” But there is just one, changeless, NOW - with particles buzzing and whirling about. That is the entire universe - simply THINGS MOVING. Nothing more.</p>
<p>Will “time end” then? How the hell could anyone predict that or know?</p>
<p>There are several theories about everything the universe eventually freezing to absolute zero or some giant collapsing black hole, or everything becoming exponentially hotter ad infinitum. In other words, irreversibly f’ed up universes. In the case of the ‘hotter and hotter’ universe, I suppose ‘time’ will never end because stuff will be moving faster and faster — just like counting to infinity would never end. In the frozen or imploded universe - I suppose “time” as you might fathom it has ended - because nothing will move or change again. But even then, who the hell knows. How was the universe created? Why? There’s a lot that doesn’t make sense. And given infinity infinities, then times that by infinity^infinity, something unfathomable just might happen lol.</p>
<p>And no, I’m not high right now. But now I need a drink.</p>
<p>lol@this being in this forum</p>
<p>time exists, but as the universe expands and the density of the universe declines, all matter will evaporate and turn into photons. photons, and subatomic particles in general, do not obey the concept of time because they seem to be able to be in two places at the same time.</p>
<p>therefore time will maintain a linear course until it slowly evaporates and all thats left is randomness. by then we will have been very long gone.</p>
<p>time travel is theoretically possible, but we lack the engineering capabilities to test it.</p>
<p>“time travel is theoretically possible, but we lack the engineering capabilities to test it.”</p>
<p>Yea. I just learned that this yr in advanced physics (high school). It “simply” requires something that can move EXTREMELY FAST (close to speed of light)!!</p>
<p>If time travel is possible, I have a feeling it’s going to be a lot more complex than moving close to speed of light. If anything, you will have to move faster than the speed of light… and faster than the speed of light relative to what? Personally, I don’t think time travel will ever happen.</p>
<p>I’m pretty sure that one day the sun will EXPLODE. Luckily, it won’t happen til after we die. I’m willing to bet money on this. 
As for what comes after, no one will be around to say, so we can all make up theories.
That’s terrible, I don’t believe you.
How is the universe continually expanding? What are we expanding into? What does that even mean? 
Also, how come every other planet has many moons with different names and our moon is just called “the Moon”?</p>
<p>Wow I must have been high when I wrote this.</p>
<p>I know time doesn’t exist, but used it for simplicity sake (will decay ever cease, or go on forever).</p>
<p>As time goes on everything will evaporate…I dont think so, even if everything really does start moving at the speed of light away from the center…things with more mass have more energy but things with more speed don’t have less mass…doesn’t make sense.</p>
<p>And time travel by going faster than the speed of light, well wouldn’t that be like approaching infinity? Because even if you’re going twice the speed of light, everything else is still going the same speed as it was when you were going slower, so you’re not time travelling you’re just moving so fast that you can’t be perceived by light.</p>
<p>When I wrote this I guess I was thinking more philosophical than science. What if our universe is just the contents of a single atom on the skin of a person who is in another larger universe? Or if someone did create the rules of the universe, why? Or if someone didn’t, then why? I think it’s just too complex for the human mind to understand and logic is just one step in the evolution process, if that even exists.</p>
<p>@PurdueEE Yeah, I remember from physics and watching some of that crap on the History Channel, that you need to move faster than the speed of light for time travel.</p>
<p>I don’t think the ‘universe’ can be ‘solved.’</p>
<p>Say a ‘mind’ did create the universe, which is very well possible. Then who created the ‘rules’ that govern that mind? Why do the ‘rules’ of our current universe exist? They, and everything, are completely arbitrary. Thing is, even if everything is figured out, it will still all be arbitrary. Well, maybe not.</p>
<p>Anyway in regards to time travel — yes you can move ‘forward’ in time by in essence slowing yourself down. I wouldn’t necessarily consider that time travel. As for going ‘back in time’ via wormholes — I don’t believe that one is accurate, heh.</p>
<p>Let’s go
Don’t wait
This night’s almost over
honest
let’s make
this night last forever
and ever and ever, let’s make this last forever.</p>
<p>i couldn’t resist playing w/ the title =)</p>
<p>wormholes dont require travelling faster than light. time travel doesn’t either. or not directly at least.</p>
<p>if one end of a wormhole is moved extremely fast, its relative speed is slower than the other end of the wormhole (the faster you travel, the slower ‘time’ is if viewed from outside of the moving object, sup einstein’s theory of relativity). thus, if you eventually stop the wormhole, it will be synced to time differently than the original one–say, 10 seconds passed at the stationary wormhole, and only 5 seconds passed in the wormhole that traveled. if you stepped into one wormhole, you would be transported to the other wormhole’s place and time-a difference of 5 seconds. in a way this is faster than the speed of light. a wormhole is a shortcut through time and space. if you go through a wormhole, you’re at the destination instantly. light would have to travel the distance over a length of time (take the long way), while you took the shortcut that doesn’t take any time at all.</p>
<p>and time does exist. its measurements are artificial, but the concept that events occur in a sequence and not instantaneously is true.</p>
<p>as for the evaporation, its not a matter of things moving faster. as time goes on, clusters of matter will form throughout the universe, and after a number of stages, it will be dominated by black holes. because of hawkings radiation, the black holes will dissipate, or ‘evaporate’. at this point, photons will be pretty much the only thing left. time will no longer exist basically because there will be more events to put in sequence. all movement of particles will be instantaneous and infinite.</p>
<p>“so you’re not time travelling you’re just moving so fast that you can’t be perceived by light.”</p>
<p>it has been theoretically proven that if you can travel past the speed of light, you will travel backwards in time.</p>
<p>theoretically proven doesn’t mean anything. It’s still a theory. </p>
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<p>But the rate at which those events happen is what people refer to as time, and since it’s only relative to us, it doesn’t exist. That’s what I was implying anyway.</p>
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<p>I think if all matter was sucked into a black hole it would explode and create another universe.</p>
<p>It’s sort of like we are in a big video game. What happens when humans evolve further? Will there be logic…squared?</p>
<p>nerds .</p>
<p>The entire theory of wormholes is based upon the idea that something called ‘spacetime’ is real.</p>
<p>Time is not real. It is a measurement that we created that has no bearing on anything.</p>
<p>This might be too much for you to comprehend.</p>
<p>It’s easy for you to think in terms of time because the sun comes up and down and the seasons change and change back, etc.</p>
<p>Just imagine that there is only one day, one right now. The sun spins around the earth on this day, again and again and again. All there is is this moment, forever and ever. I’m not talking about an infinite amount of constantly shuffling moments reffered to as ‘this moment.’ I’m talking about one actually moment.</p>
<p>I don’t think spacetime exists, I’m going to prove it some day and make tons of money.</p>
<p>time as a measurement is artificial. time as a concept is real. you cant argue that everything happens instantaneously. it doesn’t matter how quick or how slow, or if its all relative, the sun rises before the sun sets. there is a procession of events, and time is how these events are organized in succession. saying time isn’t real because there is only empirical evidence that proves it is like saying gravity doesn’t exist because there’s only empirical evidence to prove it. you experience time continually, just as you experience space. i should also note that me thinking time is something that does exist doesn’t make me ■■■■■■■■. the fact that i dont believe that the sun rises and sets, i live and die, and the universe begins and ends in the exact same instantaneous moment doesn’t have anything to do with a lack of intellect. saying that i’m wrong, despite universally uniform empirical evidence (except on a subatomic level), and then backing it up by telling me to imagine something doesn’t change anything. </p>
<p>as for the black holes, the universe would be dominated by black holes, but it wouldn’t condense into a single black hole. everything would be so spread out by then then that the black holes wouldn’t all migrate into a single central super mega massive black hole. individual galaxies and clusters of galaxies would condense into their own black holes, and evaporate independently</p>
<p>Eh, I still disagree.</p>
<p>You are always in the present. The present is the same now as it was when George Washington was making wartime decisions.</p>
<p>Imagine the sun was stationary in the sky. And, that you didn’t need sleep or naps. Obviously, these things have no bearing on the artificial concept of ‘time’ – yet they may influence you natural conceptialization that some discrete entity ‘time’ exists.</p>
<p>Of course, this entire argument is useless for anything, lol.</p>
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<p>Time as a concept in the way you describe is not real, and only in our heads, in the form as memories or expectations. What you are experiencing as “continuous” is decay, which does not imply time.</p>
<p>Any sequence of events relative to us is only a measurement, which we both agree is artificial. If it happens without us, then time is irrelevant…all that matters is the end result.</p>
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<p>can’t argue with scientific theories…it’s not like we’ve ever been wrong about them before.</p>