What is Time Travel?Is Time Travel possible?How?
Time travel's been one of man's wildest fantasies for centuries.Time travel is the concept of moving between different points in time in a manner analogous to moving between different points in space, generally using a theoretical invention known as a "time machine".
There are two direction of time: Backward and Forward
,so time travel is categorized into two types:
1.Forward Time travel
2.Backward Time travel
Backward time travel in physics
Time travel to the past is theoretically allowed using the following ways.
4.Wormholes( Einstein-Rosen bridge)
5. Alcubierre drive
Forward time travel in physics
Time travel to the future is theoretically allowed using the following ways.
1 gravitational time dilation
2.velocity-based time dilation
3.you are traveling toward future
4.Suspended animation
5.Hibernation
6.event horizon of a black hole,
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