Stop being the product.
Become the owner.
Daily Brain & Mind — Day 13 (Optical Illusion) 🧠 The Hollow-Face Illusion (Concave Einstein) Walk around or rotate this 3D mask that is hollow on the back. Why does the concave hollow inside still appear to pop outward as a normal face? 💬 Even when you know it's hollow, can your brain see it as hollow? Tell us in the comments! (Solution in first comment 👇) #brain #hollowface #einstein #neuroscience #illusion