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  2. Radio Research Laboratory (Harvard) - Wikipedia

    en.wikipedia.org/wiki/Radio_Research_Laboratory...

    The Radio Research Laboratory (RRL), located on the campus of Harvard University, was an 800-person secret research laboratory during World War II.Under the U.S. Office of Scientific Research and Development (OSRD), it was a spinoff of the Radiation Laboratory (Rad Lab) at MIT and set up to develop electronic countermeasures to enemy radars and communications, as well as electronic counter ...

  3. List of World Heritage Sites in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_World_Heritage...

    The site comprises three African-American churches that played a role in the civil rights movement, a political movement to abolish institutional racial segregation, discrimination, and disenfranchisement throughout the United States. The sites illustrate the struggle for non-violent social change.

  4. RRL - Wikipedia

    en.wikipedia.org/wiki/RRL

    RRL may refer to: Regional Rail Link a new regional railway line in Victoria, Australia; Regional Red List; Rich Representation Language a computer language used for multi-agent animation; Russian Rugby League Federation; Regional Research Laborotaries, under the Council of Scientific and Industrial Research (CSIR), in India

  5. List of World Heritage Sites in North America - Wikipedia

    en.wikipedia.org/wiki/List_of_World_Heritage...

    Below is a list of the UNESCO World Heritage Sites located in upper North America. Greenland has been included here as part of North America despite its cultural and political associations with Europe. The separate List of World Heritage Sites in Central America covers the continental areas further south. Mexico leads North America hosting 35 ...

  6. List of United States National Historic Landmarks in United ...

    en.wikipedia.org/wiki/List_of_United_States...

    This is a list of National Historic Landmarks in U.S. commonwealths and territories, associated states, and foreign states. Included are lists of National Historic Landmarks (NHLs) and of National Park Service administered areas in U.S. Commonwealths and territories, U.S.-associated states, and in the foreign state of Morocco.

  7. Education Resources Information Center - Wikipedia

    en.wikipedia.org/wiki/Education_Resources...

    The mission of ERIC is to provide a comprehensive, easy-to-use, searchable, Internet-based bibliographic and full-text database of education research and information for educators, researchers, and the general public.

  8. Category:World Heritage Sites in the United States - Wikipedia

    en.wikipedia.org/wiki/Category:World_Heritage...

    Afrikaans; العربية; Aragonés; Asturianu; Azərbaycanca; বাংলা; Башҡортса; Беларуская; Български; Bosanski; Brezhoneg

  9. Category:Archaeological sites in North America - Wikipedia

    en.wikipedia.org/wiki/Category:Archaeological...

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