Question

What is Time travel?​

Answer 1

$\huge\mathfrak\blue{Time travel}$

Time travel is the concept of movement between certain points in time but it's just possible in fictional movies so as till now it is not founded by scientists also that is it possible to do time travel or not or it really exists so I don't know more about time travel.

Answer 2

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.