Shepard Tone - Developed by psychologist Roger Shepard at Bell Labs, this illusion is made up of a list of tones that appear to perpetually rise or tumble. The illusion is established by super-positioning pure tones (sine waves) an octave apart. An optical illusion. Both equally circles are precisely https://lukashpuyb.diowebhost.com/90729475/the-5-second-trick-for-illusion-of-kundun-mu-online