Galileo's Pendulum

Je n’ai fait celle-ci plus longue que parce que je n’ai pas eu le loisir de la faire plus courte. (translation: I made this too long because I didn’t have the leisure to make it short.) –Blaise Pascal, June 19, 1623-August 19, 1662 Blaise Pascal, French physicist-mathematician-philosopher-gambler-hypochondriac-etc., was born on this day (June 19) in…