Stephen Wolfram answers general questions from his viewers about science and technology as part of an unscripted livestream series.

Questions include: Have you studied the Crick-Mitchison theory of REM sleep? Do you think that their theory is relevant to artificial intelligence and/or the theory of pattern recognition? - Thoughts on the significance of the triangle and why it seems to be one of if not the strongest 2d shape? - Are quasicrystals useful? - What does it mean to map a brain? Why is there a race to map the brain correctly?

See the full Q&A video playlist: https://wolfr.am/youtube-sw-qa