Stephen Wolfram Q&A, For Kids (and others) [April 9, 2021]

Stephen Wolfram answers general questions from his viewers about science and technology as part of an unscripted livestream series. See the full Q&A video playlist: https://wolfr.am/youtube-sw-qa Questions include: Does Wolfram believe in supersymmetry? - Do the particles mass vary or are they exactly the same all the time? - Gravitational mass always the same in the history of the universe? Is the inertia mass always the same, how does that work? - What is category theory? - Is it possible to make a lens/ camera for WiFi? What would differ from a regular CMOS digital camera. Can there be a 'pinhole' WiFi camera? - What would happen if you live streamed a video from a vessel that is going near the speed of light? Would it be slowed down? - Whats up with the muons discovered?