Merry Grav-Mass from Richard Stallman.ogvideo
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Author:  tristan [ Fri Dec 11, 2015 7:15 am ]
Post subject:  Merry Grav-Mass from Richard Stallman.ogvideo
One way to celebrate Grav-Mass is to decorate a tree with apples and other fruits. Glue them or attach them, but not too well! The idea is that occasionally a fruit should fall. Put them on the tree no more than 2 feet up, so that they won't get damaged or hurt anybody when they fall. Investigating and perfecting the methods for doing this is a great way expose a child to the process of scientifically studying the behavior of the physical world. ... troll-hole


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