A droplet of Act mouthwash sitting on top of a white t-shirt that has been treated with a superhydrophobic substance (Rustoleum NeverWet) shows a high contact angle

By Finn Ostrem, Jonathan Cook, Kyle Samples, Andrew Vandervoglen for Fall 2015 Team First.
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A droplet of Act mouthwash sitting on top of a white t-shirt that has been treated with a superhydrophobic substance (Rustoleum NeverWet) shows a high contact angle

A tray of water was shaken at 82 Hz, producing Faraday waves, a type of standing capillary wave.

A tray of water was shaken at 8 Hz, producing Faraday waves, a type of standing capillary wave.

A tray of water was shaken at 10 to 100 Hz, producing capillary waves.

A tray of water was shaken at 10 to 100 Hz, producing capillary waves.

Free diver Andriy Wybaczynsky created air-filled toroidal vortexes (rings) underwater.

Free diver Andriy Wybaczynsky created air-filled toroidal vortexes (rings) underwater, viewed here looking upwards.

Free diver Andriy Wybaczynsky created air-filled toroidal vortexes (rings) underwater, viewed here looking upwards.

Dry ice submerged in dyed oobleck (corn starch and water suspension) creates foggy geysers as the bubble opens a slit.

Dry ice submerged in dyed oobleck (corn starch and water suspension) creates foggy bubbles.