LITTLE KNOWN FACTS ABOUT ILLUSION OF KUNDUN MU ONLINE.

Shepard Tone - Created by psychologist Roger Shepard at Bell Labs, this illusion includes a set of tones that appear to perpetually increase or fall. The illusion is created by Tremendous-positioning pure tones (sine waves) an octave aside.An optical illusion. Both of those circles are a similar shade of yellow, equally as both squares containing t