Slide 6
Slide 6 text
I thought, “I know what it is: They’re going to talk about
mechanics, how the springs work inside the toy; …”
It was the kind of thing my father would have talked
about: “What makes it go? Everything goes because
the sun is shining.” …
“No, the toy goes because the spring is wound up,” I
would say. “How did the spring get wound up?" …
“I wound it up."
“And how did you get moving?"
“From eating."
“And food grows only because the sun is shining. So it’s
because the sun is shining that all these things are
moving.”…
From Richard Feynman, Surely You’re Joking, Mr. Feynman!