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math and measurement

Created by SPI, last updated 2015-11-13

Build a Lever

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Screaming Balloon

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A project of University of California, Berkeley's Lawrence Hall of Science. Major funding was provided by the National Science Foundation (Award #0735007), Institute of Museum and Library Services (Award #CAGML-246996-OMLS-20), The Camille & Henry Dreyfus Foundation, and Oracle.

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