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  2. Alfred Lee Loomis - Wikipedia

    en.wikipedia.org/wiki/Alfred_Lee_Loomis

    Alfred Loomis at Berkeley in 1940. Alfred Lee Loomis (November 4, 1887 – August 11, 1975) was an American attorney, investment banker, philanthropist, scientist, physicist, inventor of the LORAN Long Range Navigation System and a lifelong patron of scientific research. He established the Loomis Laboratory in Tuxedo Park, New York, and his ...

  3. MIT Radiation Laboratory - Wikipedia

    en.wikipedia.org/wiki/MIT_Radiation_Laboratory

    MIT Radiation Laboratory. /  42.3594°N 71.0911°W  / 42.3594; -71.0911. The Radiation Laboratory, commonly called the Rad Lab, was a microwave and radar research laboratory located at the Massachusetts Institute of Technology (MIT) in Cambridge, Massachusetts. It was first created in October 1940 and operated until 31 December 1945 when ...

  4. 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 ...

  5. History of synthetic-aperture radar - Wikipedia

    en.wikipedia.org/wiki/History_of_synthetic...

    Although creating that radar was a more straightforward task based on already-known techniques, that work did demand the achievement of signal linearity and frequency stability that were at the extreme state of the art. An adequate instrument was designed and built by the Radar Laboratory and was installed in a C-46 (Curtiss Commando) aircraft ...

  6. Fizeau's measurement of the speed of light in air - Wikipedia

    en.wikipedia.org/wiki/Fizeau's_measurement_of_the...

    Figure 2: Chronograph record from Cornu's speed of light determination shows wheel rotations, timing signals based on the observatory clock, and observer markings. At the behest of the Paris Observatory under Urbain Le Verrier, Marie Alfred Cornu repeated Fizeau's 1848 toothed wheel measurement in a series of experiments in 1872–76. The goal ...

  7. Chronograph - Wikipedia

    en.wikipedia.org/wiki/Chronograph

    The Chronograph's main function is to allow a comparison of observation between a time base and, before the electronic stopwatch was invented, a permanent recording of the observer's findings. For example, one of the first applications of the chronograph was to record the time elapsed during horse races. [13]

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