3 ms·
Ah, but they do reverse something... here, listen to Feynman. https://www.youtube.com/watch?v=msN87y-iEx0 https://www.youtube.com/watch?v=msN87y-iEx0
by tricolon 10y ago
Ah, but they do reverse something... here, listen to Feynman. https://www.youtube.com/watch?v=msN87y-iEx0 https://www.youtube.com/watch?v=msN87y-iEx0