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physics

(Encyclopedia)physics, branch of science traditionally defined as the study of matter, energy, and the relation between them; it was called natural philosophy until the late 19th cent. and is still known by this na...

France

(Encyclopedia)CE5 France frăns, Fr. fräNs [key], officially French Republic, republic (2015 est. pop. 64,457,000), 211,207 sq mi (547,026 sq km), W Europe. France is bordered by the English Channel (N), the At...