Question

How can you say that the light can time travel? If so then light should also have some age. Can you tell that age that light has?

Answer 1

3 ×10 rest power 8
i m not sure

Answer 2

First of all, you can never travel at the speed of light, as the energy required to do so is infinite. As your velocity increases, your mass increases (as compared to your Rest Mass, explained in more detail here: Mass–energy equivalence), and therefore the force needed to accelerate increases. As you approach the speed of light, your mass tends to infinity, meaning the force required to accelerate you further would be close to infinite, which is an impossible requirement to satisfy. Now, if you do really somehow manage to reach the speed of light, time stops moving completely for you. Obviously, that's not what you're asking, so I'm going to continue based on the assumption that we are discussing effects of approaching the speed of light.
The formula for Time dilation is similar to that for the Rest Mass. Let's say that you're travelling at 99% the speed of light ... that would mean time is moving more than 7 times slower for you than an observer at rest. If you travel at this velocity for 1 year (according to your experience), you'd find that 7 years have passed during the same period for someone at rest. If you happened to be looking from your spacecraft at these people, you'd see them living their lives 7 times faster than normal (like fast-forwarding through a video), and they'd see you doing everything 7 times slower.
Your ageing process is not independent of your consciousness. When you finally stop, you'd find that you have only aged (physically and mentally) by one year, while everyone else has aged by 7 years, so you'd be 6 years younger than all.





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