Question

is time travel possible.how?​

Answer 1

Answer:

yes

Explanation:

you need to travel at the speed of light and the machine and fuel you use need to be well built.

in the machine it will be like a one hour of travel but outside it will be a 100 years forward or reverse based on the direction of the travel

Answer 2

Answer:

time travel means travelling in time and going in either past or future but traveling in past isn't possible ..

now how we can travel in time

classical physics :-

according to classical physics time travel is possible by changing the inertial frame of reference with the fundamental quantities

modern physics:-

according to modern physics time travel is possible through the black holes , traveling with speed of light , wormholes , curve in space time.