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Can you see the car in this photo? It's right in front of you
playing with your food
Learn About "Fork-and-Knife Illusion" From A New Scientific Paper Written By A Middle-schooler
Astonishing photos of huge ships mysteriously floating in the air above UK seas
Optical illusion has drivers concerned that new bridge support is leaning dangerously
Man 'stunned' to see a ship floating in the air while on a stroll
Trippy new experiments in "Magic Eye"-style autostereograms
Is there a seed in this avocado?
Optical Illusion: What do you see, zigzags or curves?
graph paper FTW
How to draw a 3D cube illusion on graph paper
More on the Ames window illusion
Interactive site showing how 141 optical illusions work
Are these circles moving?
These columns are straight (and not moving)
How to make an impossible two-legged chair
This image will disappear if you stare at it long enough
Computer finds faces in grains of sand
Optical illusion: Seeing color in a black-and-white image
Watch this cool demonstration of an Ames window
If you rotate this photo of a spaceship, it looks like a car in the water
These boxes aren't rotating. It's an optical illusion. Really.