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The Physics Source is a collection of resources for introductory college level physics courses. It includes curriculum, curriculum support material, reference material, and pedagogical and physics education research inspired content.

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April 23th History

1992: Astrophysicist George Smoot announced that large-scale temperature variations in the 3-degree background radiation were detected with the COBE satellite (Cosmic Background Explor This discovery supports the Big Bang theory and confirms the theory of the e
Source: Physics Infomall.