“A classmate and I chose pendulums, what happens when a pendulum hangs from a pendulum? How does gravity work then? We were studying invisible forces and left the classroom, heading into the world with just our two bodies, which were to be both string and bob. In the woods behind school, he climbed i…”— Catherine Barnett, apmpodcasts.org
“Don’t become a mere recorder of facts, but try to penetrate the mystery of their origin.”— Ivan Pavlov, goodreads.com