The Best Black Light Bulboptical Iluion How It Works References. First discovered by max wertheimer, in 1912 when he observed that light seemed to jump from one lamp to another when he turned it on and off in quick succession. Wikimedia commons have a look at this picture.
An optical illusion is something that plays tricks on your vision. Are these images black and white or colour? You should see a glowing light bulb!
