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131Low Countries, history of — Introduction history of the Low Countries from prehistoric times to 1579. For historical purposes, the name Low Countries is generally understood to include the territory of what is today The Netherlands, Belgium, and Luxembourg, as… …
132Odor amplifier — is the plausible, but fictitious, invention of mechanical engineer Thomas A. McMahon that is described in his 1970 novel, Principles of American Nuclear Chemistry: A Novel, in which it is invented by a character modeled on Richard Feynman. It is… …
