optics Trick your brain with this spinning dots optical illusion Popkin

illusions Illusion of the day: This video looks like it's in reverse but isn't Popkin

impossible objects Behold, an impossible portal into another dimension where perception is in the eye of the beholder David Pescovitz

sleight of hand This is the best "detachable finger" magic I've ever seen David Pescovitz

Ames Window Fantastic physical model of famous optical illusion melted my mind David Pescovitz

virtual tour MagiQuest with Jeff McBride is the real deal of an online "magical experience" Ferdinando Buscema

playing with your food Learn About "Fork-and-Knife Illusion" From A New Scientific Paper Written By A Middle-schooler Thom Dunn

street magic How to sit in an invisible chair Mark Frauenfelder

fidget toys Watch this red cube somehow fit inside this blue shape Andrea James

cognition This image will disappear if you stare at it long enough Andrea James

Guinness World Record Watch this world record for number of costume changes in one minute Andrea James

magicians Watch this fantastic "quick change" magic act David Pescovitz

magical experiences Watch this wondrous "house of cards" illusion about COVID-19 and our tenuous realities David Pescovitz

illusions How to make chocolate out of nothing David Pescovitz

illusion These gears aren't spinning. It's an optical illusion. Really. (strobe warning) David Pescovitz

talent shows Watch this illusory mirror dance routine David Pescovitz

illusions Incredible optical illusions Jason Weisberger

hands Freak out on this fantastic hand illusion David Pescovitz

illusions Weird illusion in which adding weight to something makes it feel lighter Mark Frauenfelder

perspective Bizarre family selfie in which half of man's body has vanished David Pescovitz