Light and Matter Series (Popularity: ): series of introductory physics lessons in online format. Physics Comics (Popularity: ): learn physics with a comic book. Physics of Pool (Popularity: ): includes information on force, geometry, momentum, and non-linear dynamics. From Stargazers to Starships (Popularity: ): deals with the world of gravity: of massive planets and stars, and the way spaceflight is achieved despite their strong pull. Topics include astronomy of the Earth's motion in space ...
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