In Physics
Time travel to the past is theoretically allowed using the following methods:
- Travelling faster than the speed of light
- The use of cosmic strings and black holes
- Wormholes and Alcubierre drive
Read more about this topic: Time Travel
Famous quotes containing the word physics:
“We must be physicists in order ... to be creative since so far codes of values and ideals have been constructed in ignorance of physics or even in contradiction to physics.”
—Friedrich Nietzsche (1844–1900)
“Although philosophers generally believe in laws and deny causes, explanatory practice in physics is just the reverse.”
—Nancy Cartwright (b. 1945)