National Museum of American History

During World War Two scientists and engineers at Bell Laboratories conducted research on many radar and radio devices. One goal was to find a replacement for fragile and energy-wasting vacuum tubes.

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Smithsonian Museum of American History

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New Smithsonian wing shows how pop culture tells America's history - WTOP News

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A People's Journey, A Nation's Story National Museum of African American History and Culture

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Smithsonian Museum of American History

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National Museum of African American History and Culture (NMAAHC)