Teacher Bruce Yeany built a number of physics demonstration props that use balls, tracks, and gravity, and it's a delight to see them in action. He also has videos to show you how to make your own. Very cool! I just subscribe to his YouTube channel, filled with home made science toys.
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8:59 am Tue
Nov 7, 2017
High school physics teacher shows his awesome home made marble tracks
Boston Police Union throws a tantrum over Black Lives Matter at school week
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The GOpure Pod Water Purifier is a whole new way to drink safe, clean water every time
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