the.com/oscillator
It refuses to sit still, swinging back and forth as the universe's most reliable nervous tic.
heartbeat of techQuartz crystals oscillate to keep every clock honest
first oneHeinrich Hertz built one to prove radio waves exist
life insideYour brain runs on neural oscillations called brainwaves
feedback loopNeeds amplification plus a return path to keep going
pendulum cousinGalileo timed his with his own pulse