Science & Technology Q&A for Kids (and others) [April 22, 2022]

Stephen Wolfram answers general questions from his viewers about science and technology as part of an unscripted livestream series, also available on YouTube here: https://wolfr.am/youtube-sw-qa Questions include: What is quantum chemistry good for? Anything interesting? - Chemistry is great! Just fertilizer has made an incredible impact throughout history. The Haber process almost single-handedly changed human history. - Isn't organic chemistry/biology the study of programmable matter? - Can you tell the story of traveling through a central processing unit from the electron's perspective? - FETs use voltage at the gate to make a field that "pinches off" the flow of current from the drain to the source.