Accidentally filming triboluminescence by shooting two air cannons loaded with glass spheres directly at each other. https://en.wikipedia.org/wiki/Triboluminescence
posted by newtboy 9 months 3 weeks ago • 122 views • 22:27search results matching tag: sphere
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YouTube: An experiment on how turbulent convection in Earth's core makes a magnetic field
posted by PlayhousePals 6 years 4 months 1 week ago • 777 views • 8:27Similar to http://videosift.com/video/CrazyRussianHacker-shows-a-simple-way-to-make-clear-ice using a rectangular cooler and showing how to make clear ice in a block, rectangular prism, and a sphere.
posted by CrushBug 7 years 11 months ago • 889 views • 5:02"Where there's a sphere, there's Pi." YouTube: What’s irrational and never ends? Pi! Hank explains how we need pi to explain some of the most basic but most important principles of the universe, in... continue reading
posted by PlayhousePals 9 years 8 months 2 weeks ago • 573 views • 4:54YouTube Description: The world's roundest object helps solve the longest running problem in measurement -- how to define the kilogram.
posted by Zifnab 1 decade 1 year 8 months ago • 2,553 views • 11:44From YT: Electrons are the most spherical objects in the universe, according to recent reports. Professor Ed Copeland discusses what this all means.
posted by RFlagg 1 decade 3 years 5 months 2 weeks ago • 651 views • 9:48- 1