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Ya-ta Boy · Joined: 16 Jan 2003 Location: Established in 1994

You may want to put plans for building that flux capacitor on hold: A "toy" big bang created in the lab suggests time travel may not be possible after all.

In a new study, Igor Smolyaninov and Yu-Ju Hung of the University of Maryland simulated the birth of the universe using advanced materials that can bend light in unusual ways.

Their device supports the idea that the forward marching "arrow of time" cannot curve back on itself to undo events that have already happened.

So far time travel hasn't been possible in real life, Smolyaninov said, and this new material suggests it won't ever be possible.
http://news.nationalgeographic.com/news/2011/04/110427-time-travel-not-possible-physics-big-bang-space-science/

Being disappointed (but not dissuaded), I was led to this article: 'When Science is Unfavorable, Attack the Scientist', which seems appropriate when you consider contemporary political news.

http://www.american.com/archive/2011/april/milwaukees-best-no-longer

For the time being I'm going to keep my fingers crossed--because that is a time-proven way of altering the universe--and keep hoping that science just isn't advanced enough at this point to master the rules of time travel.

recessiontime · Posted: Sat Apr 30, 2011 11:14 pm Post subject:

Curious, what made you think that you'd ever be allowed to possess it if time travel existed? Nobody would be insane or stupid enough to let anyone else have this kind of power.

Louis VI · Joined: 05 Jul 2010 Location: In my Kingdom

The only time travel humans will experience will be to the future, a one-way ticket punched by cryogenics.

RMNC · Joined: 21 Jul 2010

Even that won't work. Once someone is dead freezing them only ruins the body further, as the water in our body freezes, expands and destroys most of our cells.

But time isn't real anyways, it's just a man-made device to help explain transiency in the universe. In reality there's no such thing as the past of the future, just things that happened and things that are likely to happen. Time is some sort of nebulous jelly that we can go through, once I move my cup from the left to the right, there's not some kind of trail that I can follow that shows where it was, it's simply changed positions. In reality, every moment is the past, present and the future. You can't go back because you're already there. Time is relative and only used to help perceive the changes that surround us.

Ya-ta Boy · Joined: 16 Jan 2003 Location: Established in 1994

ZIFA · Posted: Sun May 01, 2011 6:44 am Post subject:

Time travel is theoretically possible, surely- if you are able to make it to space and back very quickly you would gain several minutes.

In any case..doesn't time bend through the universe? I mean subject to gravity and lightspeed. It may even be circular.

Kuros · Joined: 27 Apr 2004

Space Bar · Joined: 20 Oct 2010

Ya-ta Boy · Joined: 16 Jan 2003 Location: Established in 1994

Ya-ta Boy · Joined: 16 Jan 2003 Location: Established in 1994

ZIFA · Posted: Mon May 02, 2011 5:09 am Post subject:

Juregen · Joined: 30 May 2006

sallymonster · Joined: 06 Feb 2010 Location: Seattle area

If time travel were possible, wouldn't we meet people from the future? Just sayin'.

whitestboyalive · Joined: 09 Dec 2010

Did you know that when standing upright, your head is traveling in time slightly faster than your feet?

Anyways, it seems as if traveling in time backwards would require a change in the laws of the universe: ie. more energy than it took to create the Big Bang in the first place. So, yeah, probably impossible.

But it makes great sci-fi. Wink

ED209 · Joined: 17 Oct 2006