Hackaday (unofficial) September 16, 2023 11:00pm Spinning CRT Makes a 360 Degree Audio Oscilloscope #mischacks #crt #oscilloscope #persistenceofvision #pov #tachyscope #hackaday posted by pod_feeder_v2 Spinning CRT Makes A 360 Degree Audio Oscilloscope A question for you: if the cathode ray tube had never been invented, what would an oscilloscope look like? We’re not sure ourselves, but it seems like something similar to this mechanical tac…