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Understanding Schlieren

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With a schlieren system, we can see an invisible gas poured from one beaker to another.

This ray diagram shows how the spherical mirror used in this schlieren set-up reflects light.

A vortex ring made of carbon dioxide--and its reflection.

←Falkirk Wheel

Seeing Sound Waves→

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April 23, 2026
Understanding Fish and Turbines
April 22, 2026
A Fungus That Freezes Water
April 21, 2026

FYFD

Celebrating the physics of all that flows

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