The mathematical (and other) thoughts of a (now retired) math teacher,
A planimeter is sooo cool! You can see a great demonstration on You Tube:http://www.youtube.com/watch?v=pvGuGaImTek
There is a giant Foucault pendulum hanging in a wide stairwell from a point very high up at the Museum of Science and Industry in Chicago. As a kid it was one of my favorite exhibits because the movement is fairly pronounced.
A planimeter is sooo cool! You can see a great demonstration on You Tube:
ReplyDeletehttp://www.youtube.com/watch?v=pvGuGaImTek
There is a giant Foucault pendulum hanging in a wide stairwell from a point very high up at the Museum of Science and Industry in Chicago. As a kid it was one of my favorite exhibits because the movement is fairly pronounced.
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