Chapter
Quantum Computers Simulating the Universe
43:11 - 49:14 (06:02)
The idea of looking at the universe as a simulation, as a computer program, is discussed. If we could build a big and robust enough quantum computer, we could simulate a small anti-dissitter universe, but it should not be confused with time travel.
Clips
While it is possible to break the second law of thermodynamics at a small scale, it requires a tremendous amount of precision and is much more difficult on larger systems due to chaos.
43:11 - 44:42 (01:30)
Summary
While it is possible to break the second law of thermodynamics at a small scale, it requires a tremendous amount of precision and is much more difficult on larger systems due to chaos. Time travel to the future is possible, but traveling to the past is too technologically difficult.
ChapterQuantum Computers Simulating the Universe
EpisodeLeonard Susskind: Quantum Mechanics, String Theory, and Black Holes
PodcastLex Fridman Podcast
This podcast explores whether time travel is possible by reversing a system's direction of motion, rather than what is depicted in science fiction.
44:42 - 46:11 (01:28)
Summary
This podcast explores whether time travel is possible by reversing a system's direction of motion, rather than what is depicted in science fiction. The difficulty lies in reversing systems involving multiple objects, such as a group of billiard balls on a table.
ChapterQuantum Computers Simulating the Universe
EpisodeLeonard Susskind: Quantum Mechanics, String Theory, and Black Holes
PodcastLex Fridman Podcast
The possibility of simulating the universe on a quantum computer is explored, with the potential of creating a small version of an anti-dissitter universe, although the challenge remains in understanding the quantum mechanics of the de-sitter geometry in the universe we currently inhabit.
46:11 - 49:14 (03:03)
Summary
The possibility of simulating the universe on a quantum computer is explored, with the potential of creating a small version of an anti-dissitter universe, although the challenge remains in understanding the quantum mechanics of the de-sitter geometry in the universe we currently inhabit.