4 ms·
Feynman on this exact question: https://m.youtube.com/watch?v=ifk6iuLQk28&feature=emb_title https://m.youtube.com/watch?v=ifk6iuLQk28&feature=emb_title
by Pfhreak 5y ago
Feynman on this exact question: https://m.youtube.com/watch?v=ifk6iuLQk28&feature=emb_title https://m.youtube.com/watch?v=ifk6iuLQk28&feature=emb_title