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/sci/ - Science & Math

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1441661 No.1441661 [Reply] [Original]

that's all there is to it.

>> No.1441675

NO have two trains going next to the speed of light, in opposite directions. Define the train you are not on as having 0 velocity. Time travel.

>> No.1441682

OMG SO DEEP

>> No.1441685

Relativity up in this bitch!

>> No.1441688

but how can train to light be travel runnering by force with relative speedforce

>> No.1441689
File: 55 KB, 640x480, 1279540935745.jpg [View same] [iqdb] [saucenao] [google]
1441689

>> No.1441704

>>1441688
>Has anyone ever been so far as to decided

>> No.1441710

Start running. Stop time. Divide distance by time 0 and time travel infinitely.

>> No.1441717

nope
runner slows down just as much as the train
it's physic's self defense mechanism!

>> No.1441797

lrn2relativity

>> No.1441809

>>1441717
I always found time dilation to be awesome.

>> No.1441852

I thought the speed function wasn't linear but kinda like a logarithm but divergent to a constant light-speed function D:

>> No.1441865
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1441865

>>1441688

>> No.1441872

Wouldn't you need infinite mass to travel the speed of light?

>> No.1441889

>>1441872
Like your mother.

>> No.1441917

How to travel at the speed of light:
Stand still and turn on a flashlight. The light leaves at the speed of light away from you, therefore you are leaving at the speed of light away from it. If you turn on a flashlight and run in the opposite direction it's shining, you're moving faster than light.

>> No.1441932

>>1441872
except if you get the train to move the space around it at speed of light...

this "speed of light is the max" just counts for objects in space, not for space itself, amirite?

>> No.1441957

Time slows down. Once you hit the speed of light, everything slows down, physics is trying to stop you.

Your not moving at the speed of light, but you are going into the future.

Stephen Hawking theory up in this bitch.

>> No.1441981

>>1441872
>Wouldn't you need infinite mass to travel the speed of light?
No
An object with mass will reach infinite mass if it is accelerated to the SoL (theoretically). That is why it requires infinite energy to reach the SoL.

>> No.1442014

Photon heads toward massive field of gravity. Accelerates past speed of light.

>> No.1442018

>>1442014
0/10

>> No.1442026

OP, why marathon runner? Wouldn't you want a sprinter? Or do you want him/her to run for several hours? I'm confused.

>> No.1442044

THE SPEED OF LIGHT IS ALWAYS THE SAME NO MATTER HOW FAST YOU'RE MOVING NEXT TO IT.

>> No.1442048

>>1442026
the real question:
is it a french or a japanese train?

>> No.1442059

SO MUCH REPORTS

>> No.1442123

>>1441661
He'll be dead. And even if theoretically not, he'll have a mass that requires fuckton energy to be accelerated.

>> No.1442203

>>1441981

everything is relative yo. Photons move at the speed of light (they are light, see?) and are massless (they aren't even particles we just classify them that way). As you approach the speed of light you bend time and space, so, you can cover distance relative to an outside observer faster than light, but in reality you are simply bending time and space to get there quicker. Also, all examples of running with a flashlight / on a train etc. are whack. the earth is already moving at astronomical speeds, any speed you move at yourself is infinitesimal.

>> No.1442224
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1442224

>> No.1442602

>>1441932
yes, in fact that's pretty much the staple of a kind of theoretical warp drive (with hypothetically infinite speed)

PROBLEM; the interior of the bubble would be BATHED in hawking radiation, obliterating anything inside, shielded or not.

>> No.1442618
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1442618

>>1442224
My work....
It's spreading!

>> No.1442646

>>1442602
That's why they only do it in Star Trek.

>> No.1443602

The fail is strong in this one

>> No.1443664

>>1442602

hawking radiation doesn't really bathe anything, shit takes like 10^50 years to evaporate a single solar mass. its actually quite fitting considering who discovered it.