Science guy NightHawkInLight takes a popular pendulum physics demonstration and amps it up. He starts out with a large pendulum made from metal nuts and varying lengths of strings for the bright shots, then covers them with tape and fluorescent paint to make them glow brightly under UV light.
THE BEST Pendulums
Looking for a cool demo to show off your fancy new HDR display? Look no further than this CGI video from self-proclaimed “GPU melter” lotsalote, in which a set of brightly-illuminated pendulums swing back and forth against a dark background. The 4K 60p footage really pops off the screen with its high contrast imagery.
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