Stairway to Heaven

Land artist Strijdom van der Merwe designed Staircase to Heaven, an optical illusion sculpture that looks like a set of steps to the sky.

Ali Kaya


Ali Kaya

This is Ali. Bespectacled and mustachioed father, math blogger, and soccer player. I also do consult for global math and science startups.

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Ballet Rotoscope by Masahiko Sato | Video | Abakcus

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In “ballet rotoscope,” by extracting the movement of a dancing ballerina, Masahiko Satoh and his team created an animation of a locus drawn in the air and dancing geometric figures,…