2nd Place - A Crystal of Bubbles, Phalguni Shah

Image: 

We have all made bubbles by blowing air on a bubble wand dipped in a soap solution. Here, we make many small bubbles of uniform size by slowly injecting air into soapy water. The bubbles then arrange themselves in a uniform pattern-this is exactly how atoms arrange to form crystals. In fact, such ‘bubble rafts’ were first used in 1940 to understand how crystals form.

In this image, we see a single layer of bubbles arranged in a hexagonal pattern. The peculiar patterns are locations with two layers of bubbles sitting atop each other. Atomic crystals also show such irregular patterns, known as ‘crystal defects’.

Phalguni Shah 

Department of Physics and Astronomy 

Tools & Techniques: Moto G7 power

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