Your eyes aren't always telling the truth. MORE ILLUSIONS: https://www.youtube.com/watch?v=FhZrU6g9seg&list=PLvFsG9gYFxY_lAm8jnex08LeiGMTiZQOW&index=1 Subscribe: http://bit.ly/asapsci Written by Mitchell Moffit and Rachel Salt GET THE ASAPSCIENCE BOOK: http://asapscience.com/book/ FOLLOW US! Instagram and Twitter: @whalewatchmeplz and @mitchellmoffit Clickable: http://bit.ly/16F1jeC and http://bit.ly/15J7ube AsapINSTAGRAM: https://instagram.com/asapscience/ Snapchat: realasapscience Facebook: http://facebook.com/AsapSCIENCE Twitter: http://twitter.com/AsapSCIENCE Tumblr: http://asapscience.tumblr.com Vine: Search "AsapSCIENCE" on vine! SNAPCHAT US 'whalewatchmeplz' and 'pixelmitch' Created by Mitchell Moffit (twitter @mitchellmoffit) and Gregory Brown (twitter @whalewatchmeplz). Send us stuff! ASAPSCIENCE INC. P.O. Box 93, Toronto P Toronto, ON, M5S2S6 Illusion Credits: The Scintillating Grid Illusion http://www.sciencedirect.com/science/article/pii/S0042698996002556 Remote Control Rectangles https://youtu.be/i7zamd3MRSo Flashing Squares http://www.shapirolab.net/ Silencing/Coloured Circles http://visionlab.harvard.edu/silencing/ Filling In Illusion Image from Wikipedia user Mysid https://en.wikipedia.org/wiki/Filling-in