Stephen Hawking - Black Hole Time Travel
Stephen Hawking explains how we could use the extreme gravity of a black hole to travel to the future. Into The Universe With Stephen Hawking - Time Travel This video belongs to Discovery Communications and is being used for educational purposes only.
professor
stephen
hawking
into
the
universe
time
travel
science
cosmology
wormhole
black
hole
physics
astrophysics
discovery
einstein
space
gravity
general
relativity
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Added: 208 days ago by
ripcord
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