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

Questions include: Can you explain computational irreducibility like you're telling a 6 year old? - How different is nanotechnology manufacturing different from normal manufacturing? - What is the historical relationship between chemistry and physics? Is chemistry a sub-branch of physics? - ​Can aging really be cured? - ​Isn't death a fundamental factor of evolution to more sophisticated beings? - What about the "immortal jellyfish"? - ​Is there anything more terrifying than living forever? - If there is ethical problems with eternal life what kind of issues would it be is it about resources and if so are our resources finite? - Will there be nanomachine that reprogram cells to prolong life or even make life go on forever? - ​Is infinity a semi-theological concept? Is infinity beyond counting and measuring – and therefore not fundamentally an empirical concept?

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