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Excitable Medium

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One of Steve's viewers accidentally discovered that, with a little fuel, a flame would race around this 3D-printed circular trough.

Spirals and other shapes work, too.

Check out Steve's video to see the phenomena in all these pieces.

←Atoms from Brownian Motion

Bubblegum Scupltures→

More posts

The Dragon’s Eye
May 15, 2026
Seeing Stress in an Avalanche
May 14, 2026
How the “Impossible Torpedo” Worked
May 13, 2026
Jets From Impact
May 12, 2026

FYFD

Celebrating the physics of all that flows

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