YouTube: An experiment on how turbulent convection in Earth's core makes a magnetic field
posted by PlayhousePals
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YouTube: An experiment on how turbulent convection in Earth's core makes a magnetic field
posted by PlayhousePalsSimilar 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"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 PlayhousePalsYouTube Description: The world's roundest object helps solve the longest running problem in measurement -- how to define the kilogram.
posted by ZifnabFrom YT: Electrons are the most spherical objects in the universe, according to recent reports. Professor Ed Copeland discusses what this all means.
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