It is said that if we travel at the speed of light,we will go into future,please could you explain how?Is it possible to make a time machine ever? Please give an easy answer, a simple one!
If we travel at the speed of light, in our reference frame, time will slow to a halt. Therefore, seemingly no time will pass for us while for others time goes on. This means it will appear to us as if we have travelled into the future when we stop, as everyone else has carried on. Mathematically, it is possible to go back in time. If we travel faster than the speed of light, time will start to go backwards, allowing to travel back in time. This all due to special relativity.