Stop being the product.
Become the owner.
or
sign uplog in
🧠 The Motion Aftereffect (The Waterfall Illusion)

Stare at a downward cascading waterfall or a spinning spiral for 30 seconds, then look at a stationary rock or the back of your hand. What happens?

💬 Have you ever experienced your hand or desk 'breathing' after watching a spiral? Tell us below! (Solution in first comment 👇)

#brain #motionaftereffect #waterfallillusion #cortex #biology