Stephen Wolfram Q&A, For Kids (and others) [July 10, 2020]

Stephen Wolfram answers general questions from his viewers about science and technology as part of an unscripted livestream series. Questions include: How does one imagine a color they've never seen before? - Why does blue light prevent you from sleeping? - What advice would you give to learn real analysis? - What happens when you cry in space? - Who is the most underrated scientist? - How did the early universe manage to get mixed up enough that it is roughly the same? - How does one see colors? - Radio waves from the planets, when transformed into the audio spectrum, sound so very strange. Why do they sound so spooky? See the full Q&A video playlist: https://wolfr.am/youtube-sw-qa