File:Coolest thing in the Exploratorium, pt 1 - the mechanical square-root calculator (5538900015).jpg

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This is so totally awesome! There are 36 marked spots on this piece of 90 degree angled metal. There are 36 little magnets in the bar with the red handle, below the angle stock. Put the magnets in place, and you can load a steel or iron ball onto 1,2,3,4,5,6 or other- I reccomend 1,4,9,16,25,36. Pull the handle to lower the magnets and the balls race down the angle, getting a different amount of acceleration, thus speed, based on location. Zing, they roll down, to the left, and shoot off the little level bit at the end of the track. Now go to "pt 2"

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Source Coolest thing in the Exploratorium, pt 1:- the mechanical square-root calculator
Author Bill Abbott
Camera location37° 48′ 08.37″ N, 122° 26′ 55.21″ W Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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This image was originally posted to Flickr by wbaiv at https://flickr.com/photos/9998127@N06/5538900015 (archive). It was reviewed on 4 December 2018 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-sa-2.0.

4 December 2018

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current12:24, 4 December 2018Thumbnail for version as of 12:24, 4 December 20183,872 × 2,592 (3.39 MB)Luisbrudna (talk | contribs)Transferred from Flickr via #flickr2commons

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