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  2. IllumiNations: Reflections of Earth - Wikipedia

    en.wikipedia.org/wiki/IllumiNations:_Reflections...

    IllumiNations: Reflections of Earth was a nighttime show performed nightly at Epcot at the Walt Disney World Resort in Bay Lake, Florida.The show utilized fireworks, pyrotechnics, water fountains, fire effects, lasers, searchlights, and a large rotating globe with curved LED screens to create a visual production on the park's World Showcase Lagoon.

  3. Crookes radiometer - Wikipedia

    en.wikipedia.org/wiki/Crookes_radiometer

    The Crookes radiometer (also known as a light mill) consists of an airtight glass bulb containing a partial vacuum, with a set of vanes which are mounted on a spindle inside. The vanes rotate when exposed to light, with faster rotation for more intense light, providing a quantitative measurement of electromagnetic radiation intensity.

  4. Lighthouse - Wikipedia

    en.wikipedia.org/wiki/Lighthouse

    The ability to focus the light led to the first revolving lighthouse beams, where the light would appear to the mariners as a series of intermittent flashes. It also became possible to transmit complex signals using the light flashes. French physicist and engineer Augustin-Jean Fresnel developed the multi-part Fresnel lens for use in lighthouses.

  5. 2020 Olympics: Drone globe shines in sky at Opening Ceremony

    www.aol.com/news/2020-olympics-nearly-2000...

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  6. Parabolic reflector - Wikipedia

    en.wikipedia.org/wiki/Parabolic_reflector

    An oblique projection of a focus-balanced parabolic reflector. It is sometimes useful if the centre of mass of a reflector dish coincides with its focus.This allows it to be easily turned so it can be aimed at a moving source of light, such as the Sun in the sky, while its focus, where the target is located, is stationary.

  7. Even in the age of Google Earth, people still buy globes ...

    www.aol.com/news/even-age-google-earth-people...

    Find a globe in your local library or classroom and try this: Close the eyes, spin it and drop a finger randomly on its curved, glossy surface. In the age of Google Earth, watches that triangulate ...

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