Einstein's theory of General Relativity says yes. If you can travel away from Earth at a fast enough rate then come back time would accelerate for you relative to the Earth. Not probably what you are thinking in terms of stepping into a time machine but about as close as you could get to it.
battleop t1_j499ttv wrote
Reply to Is time travel going to happen yes or no? by MixOk1458
Einstein's theory of General Relativity says yes. If you can travel away from Earth at a fast enough rate then come back time would accelerate for you relative to the Earth. Not probably what you are thinking in terms of stepping into a time machine but about as close as you could get to it.