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0 votes
1 answer
67 views

Can we observe a more recent space?

The space we are viewing now is their distant past as their light has only reached our eye or telescope after travelling a long distance at the speed of light. However, for lights that are still on ...
Antony Lau's user avatar
0 votes
0 answers
24 views

Does time slow down for light according to relativity? [duplicate]

According to Einstein's theory of relativity Time slows for a individual who moves at the speed of light and time goes backward if the individual is faster than the speed of light. So , is it that for ...
Srijan's user avatar
  • 725
2 votes
3 answers
603 views

Is time taken by light to travel any distance 0 or finite? [duplicate]

According to relativity, Light does not experience any time. So it must travel any distance in no time. But, we know that light has finite speed $c$. So it should take finite time.
Aditya Kumar's user avatar
5 votes
1 answer
1k views

How can we perceive light if light doesn't move through time? [duplicate]

From my understanding in space-time everything moves at the speed of light $c$ in some direction of this four dimensional space. Light itself moves only through space, so it doesn't move at all in ...
timtam's user avatar
  • 225
0 votes
2 answers
404 views

How the world changes from the point of view of a photon [duplicate]

Imagine a universe without time, or more specifically without the Flow of Time. Everything will be a 2D projection and nothing more. No movement, no interaction, and in other words no Change. But our ...
ARK1375's user avatar
  • 129
-2 votes
1 answer
70 views

Can Young's slit be repeated in the temporal dimension with fast-oscillating lcd's?

Can Young's slit be repeated in the temporal dimension with fast-oscillating lcd's? Young's slit demonstrates the wave-like properties of light by causing interference from two slits. Fringes caused ...
it's a hire car baby's user avatar
0 votes
1 answer
74 views

How is light used to measure the change in time caused by gravity?

Is the following analogy correct, if not- what changes are necessary to correct it? Let's consider a guy riding on a photon with a clock, and every time his clock ticks he paints a dot. Let's also ...
davidkomer's user avatar