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  2. Michelson–Gale–Pearson experiment - Wikipedia

    en.wikipedia.org/wiki/Michelson–Gale–Pearson...

    The Michelson–Gale–Pearson experiment (1925) is a modified version of the Michelson–Morley experiment and the Sagnac-Interferometer.It measured the Sagnac effect due to Earth's rotation, and thus tests the theories of special relativity and luminiferous ether along the rotating frame of Earth.

  3. Schiehallion experiment - Wikipedia

    en.wikipedia.org/wiki/Schiehallion_experiment

    An experiment in 2005 undertook a variation of the 1774 work: instead of computing local differences in the zenith, the experiment made a very accurate comparison of the period of a pendulum at the top and bottom of Schiehallion. The period of a pendulum is a function of g, the local gravitational acceleration. The pendulum is expected to run ...

  4. Biosphere 2 - Wikipedia

    en.wikipedia.org/wiki/Biosphere_2

    Biosphere 2, with upgraded solar panels in foreground, sits on a sprawling 40-acre (16-hectare) science campus that is open to the public. The Biosphere 2 project was launched in 1984 by businessman and billionaire philanthropist Ed Bass and systems ecologist John P. Allen, with Bass providing US$150 million in funding until 1991. [7]

  5. Foucault pendulum - Wikipedia

    en.wikipedia.org/wiki/Foucault_pendulum

    The pendulum was introduced in 1851 and was the first experiment to give simple, direct evidence of the Earth's rotation. Foucault followed up in 1852 with a gyroscope experiment to further demonstrate the Earth's rotation. Foucault pendulums today are popular displays in science museums and universities. [1]

  6. EarthScope - Wikipedia

    en.wikipedia.org/wiki/Earthscope

    EarthScope project logo. The EarthScope project (2003-2018) was an National Science Foundation (NSF) funded Earth science program using geological and geophysical techniques to explore the structure and evolution of the North American continent and to understand the processes controlling earthquakes and volcanoes.

  7. Terrella - Wikipedia

    en.wikipedia.org/wiki/Terrella

    Kristian Birkeland and his magnetized terrella experiment, which led him to surmise that charged particles interacting with the Earth's magnetic field were the cause of the aurora. [ 1 ] Kristian Birkeland was a Norwegian physicist who, around 1895, tried to explain why the lights of the polar aurora appeared only in regions centered at the ...

  8. Sudbury Neutrino Observatory - Wikipedia

    en.wikipedia.org/wiki/Sudbury_Neutrino_Observatory

    The first measurements of the number of solar neutrinos reaching the Earth were taken in the 1960s, and all experiments prior to SNO observed a third to a half fewer neutrinos than were predicted by the Standard Solar Model. As several experiments confirmed this deficit the effect became known as the solar neutrino problem.

  9. Henry Yule Oldham - Wikipedia

    en.wikipedia.org/wiki/Henry_Yule_Oldham

    In 1901 Oldham used a plate camera and theodolite for his careful observations along the length of the river and he presented his results at an illustrated lecture held at the British Association for the Advancement of Science. [6] [7] His experiment, because of its photographic proof, is regarded as definitive and was taught in schools [8 ...

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