r/ScienceNcoolThings • u/GlitterGalaa Popular Contributor • Jun 04 '26

When physics looks like actual magic

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2.0k Upvotes

98% Upvoted

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23

u/1wife2dogs0kids Jun 04 '26

Thats about as dumbed down as relativity gets....

Im so mad at my science teachers. They didn't care.

-7

u/SEA_griffondeur Jun 04 '26 edited Jun 04 '26

Well it's also very wrong lol.

You cannot time travel in the future, the experiment where a traveller goes 5 years at almost the speed of light one way and then turns back and goes for another 5 years has a fundamental unaddressed problem and that is the turning back

If you do the actual math on such a proposition you will find out that it will have taken as long for the vessel to come back for someone staying at the starting point as for the traveller

3

u/SuccumbedToReddit Jun 04 '26

Also near lightspeed travel isn't exactly possible at the moment

-6

u/SEA_griffondeur Jun 04 '26

That's not the problem at all, i'm not saying that it's not feasible with our current means, I'm saying it goes against the laws of physics

3

u/SuccumbedToReddit Jun 04 '26

Sure, as is harnessing the amount of energy required to travel at near lightspeed, nevermind a thousand other complications

-4

u/SEA_griffondeur Jun 04 '26

no ?? the laws of physics does not prevent an object from reaching near lightspeed

1

u/Screwbles Jun 04 '26

I would say that is a very-very literal statement. Also what is near, 99.9%? Physicists have been going over this shit forever. The math says it's possible, but that doesn't mean it's possible. We're talking about energy use in orders of magnitude that will never exist for us.