A swirling water column above a microwaved CD.

By Emily Kolenbrander for Spring 2014 Get Wet.
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A “bathtub vortex” is created by taping two bottles together. Air moving up the inside of the vortex allows water to spin smoothly down.
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Water droplets on hydrophobic waxed acrylic form lenses in which Pacman shot glasses are focused.

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