I received a telephone call one day at the graduate college at Princeton from Professor Wheeler, in which he said, "Feynman, I know why all electrons have the same charge and the same mass" "Why?" "Because, they are all the same electron!" And, then he explained on the telephone, "suppose that the world lines which we…
The gaudy watches of indifferent workmanship, fabricated purposely for the China market and once in universal demand, are now scarcely asked for. One gentleman in the Honourable East India Company’s employ took it into his head that cuckoo clocks might prove a saleable article in China, and accordingly laid in a large…
The progress of science depends less than is usually believed on the efforts and performance of the individual genius ... many important discoveries have been made by men of ordinary talents, simply because chance had made them, at the proper time and in the proper place and circumstances, recipients of a body of…
1. If you show very young babies a video of a static Big Bird that then explodes into its separately defined parts, they won't be perturbed. Because all the parts had separate edges anyway, they may, for all the babies know. have been separate objects to begin with. But if you show them Big Bird moving first, so that…
After the baby is born, most doctors, including myself, hold it in our lap momentarily, to allow baby blood in the placenta to pass by gravity through the umbilical cord back into the baby, and to wipe the baby as clean as possible with gauze squares. We feel this is a substitute for the animal mother's licking her…