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Otto von Guericke was a German scientist, inventor, and politician. His major scientific achievements were the establishment of the physics of vacuums, the discovery of an experimental method for clearly demonstrating electrostatic repulsio... |
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Donald John Trump is the 45th and current president of the United States. Before entering politics, he was a businessman and television personality.
Born and raised in Queens, New York City, Trump attended Fordham University for two year... |
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