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geodesic posts

Global distances Activity

by David, 1 June 2016 | 0 comments

Someone is holding a string on the surface of a globe of the world.

With a globe and string, you’ll discover that finding the shortest path can be difficult on a round planet!

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Geodesic rings Activity

by David, 26 August 2014 | 0 comments

the striped clay has been wrapped around someone's finger.

Craft yourself a cool mathematical ring, and learn about straight lines on donuts. Don’t laugh! They do exist!

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