kottke.org posts about optical illusions

Freaky optical illusionDec 06 2013

Which gray block is actually darker? Hold something over the seam to find out.

Optical Illusion Blocks

Mindblowing, right? Now for the fun science part: how does this effect work? Well, it works because whoever made this thing is a fucking witch. I mean, Jesus. QED. (via ★interesting-links)

Freaky realistic optical illusionsNov 28 2012

When the hand reached in to turn the Rubik's Cube, my brain melted and spilled out of my ear and into a puddle on the floor.

The images used in the video are available for printing out so that you can wig out your friends and kids in person: Rubik's Cube, tape, and shoe. (via colossal)

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