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Information and reading list on Egyptian pyramid history and construction.
The Foucault Pendulum is named for the French physicist Jean Foucault (pronounced Foo-koh), who first used it in 1851 to demonstrate the rotation of the earth.
Learn about the history of the Hope Diamond.
Information about the Shark Attack File
This listing is a sampling of the many ways the Smithsonian will mark the 150th Civil War Anniversary during the next four years.
