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stuart semple happy clouds Stuart Semple's "Happy Clouds"

London artist Stuart Semple has built bought a machine that makes a lighter-than-air foam using glycerin, food dye, and helium, and extrudes cakes of it through a die to create floating foam happy faces, which he releases into the air 2,000 at a time. Check the vid below.

Sean Michael Ragan

I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I am a long-time contributor to MAKE magazine and My work has also appeared in ReadyMade, c’t – Magazin für Computertechnik, and The Wall Street Journal.

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