Soap bubble film nonuniformities create colored patterns as the film thickness varies.

By Daniel Maguire, Erick Pena, Stefan Schultz for Fall 2015 Team First.
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Soap bubble film nonuniformities create colored patterns as the film thickness varies.

Soap bubble film nonuniformities create colored patterns as the film thickness varies.

Soap bubble film nonuniformities create colored patterns as the film thickness varies.

A 3/8 inch diameter water stream from a nozzle with a transverse oscillation at 23 Hz, imaged at 24 frames per second, so the flow appears to be moving upstream.

A 3/8 inch diameter water stream from a nozzle with a transverse oscillation at 23 Hz, imaged at 24 frames per second, so the flow appears to be moving upstream.

A 5/8 inch diameter water stream from a nozzle with a transverse oscillation at 24 Hz

Premixed combustion of isopropyl alcohol in a glass jug forms a ‘tulip’ flame as it propagates downward through the jug, and a jet flame out the top.

Premixed combustion of isopropyl alcohol in a glass jug forms a ‘tulip’ flame as it propagates downward through the jug, and a jet flame out the top.

When a ball bearing impacts a shallow sand basin, a crown splash and crater results rather than a Worthington jet, filmed in slow motion.

When a ball bearing impacts a shallow sand basin, a crown splash and crater results rather than a Worthington jet, filmed in slow motion at 960 frames per second.