Tags: approximate, arrow, atom, Atomic, ball, bose, break, brian, Carroll, cat, coin, color, comb, dark, destin, destinws2, dollars, drawing, educational, einstein, energy, entropy, estimate, fire, flip, future, general relativity, GPS, greene, hairy, henry, laser, light, matter, military, million, minute, minutephysics, movie, Nobel, nuclear, of, open cavity, past, photon, physics, Prize, reich, relativity, RSAnimate, Schrodinger, Sean, smarter every day, special, speed, statistics, Technology, time, topology, universe, xkcd
How lasers work (in theory)
