ஒளி எப்படி காலப்பயணம் செய்கிறது? | How Light is doing Time Travel? | Mr.GK

If light goes at the speed of light, why doesn't light itself time travel? If yes, then How Do Photons Experience Time?

In 1905, Einstein put forth his theory of special relativity, noting that the failed Michelson-Morley experiment and the phenomena of length contraction and time dilation would all be explained if the speed of light in a vacuum were a universal constant, c. This means that the faster something moves — the closer to the speed of light it moves — someone watching it at rest will see their own times and distances as normal, but someone “riding” the fast-moving object will see that they traveled a shorter distance and traveled for a shorter amount of time than the observer who remained at rest.

More details in above video.

0:00 - Intro
1:02 - What is Light?
3:19- Photons Journey
5:15 - How are we seeing distant Stars?
6:47 - Normal view vs Telescope view
8:09 - What is Time Travel
8:46 - Is Light doing Time Travel?

Sources:
https://www.forbes.com/sites/startswi...
https://www.quora.com/If-light-goes-a...
https://phys.org/news/2014-05-does-li...

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