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Principal Sponsors

The William and Flora Hewlett Foundation
The Hewlett Logo

Makes grants to address the most serious social and environmental problems facing society, where risk capital, responsibly invested, may make a difference over time.
The NSF LogoNational Science Foundation

An independent federal agency created by Congress in 1950 to promote the progress of science.

Other Sponsors Logo

Sponsors

PhET would like to thank the following organizations, companies, and individuals for their support:

Financial Support


Technical Support

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