Tag: Sphere

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Science off the Sphere: Lenses and Vortices

International Space Station Expedition 30 astronaut Don Pettit demonstrates physics in space for ‘Science off the Sphere.’ Through a partnership between NASA and the American Physical Society you can participate …
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Science off the Sphere: Spring Theory

NASA astronaut Don Pettit demonstrates how to measure mass in a weightless environment. Through a partnership between NASA and the American Physical Society you can participate in Pettit’s physics challenge …
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Optics of a Sphere

Description: Astronaut Don Pettit demonstrates the optical properties of a sphere of water on the space station.
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Science off the Sphere: Fun with Antibubbles

International Space Station Expedition 30 astronaut Don Pettit injects air bubbles inside a sphere of water to demonstrate physics in space for ‘Science off the Sphere.’ Through a partnership between …
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Science off the Sphere: Goo!

International Space Station Expedition 31 astronaut Don Pettit uses his computer speakers to test the behavior of non-newtonian fluids in the weightless environment aboard the station. Through a partnership between …
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Science off the Sphere: 1.21 Legowatts

NASA Astronaut Don Pettit gets creative with an educational LEGO kit aboard the International Space Station. Through a partnership between NASA and the American Physical Society you can participate in …
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Sphere UFO Hidden In The Clouds, Area 51

For More Exclusive Information on UFO Google Maps : 37° 8’29.80″N 116° 4’23.43″W Welcome: Visit My Blog: ANCIENT ALIENS ON MARS: BEST ALIEN MOVIES: Please Thank you: If you have …
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Friction sphere variator 2

Input: the blue shaft with a cone disk. Output: the yellow shaft with a cone disk. The orange spherical caps idly rotate on their axles and are forced toward the …
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Friction sphere variator 4

Input: the orange disk of spherical cap mounted on a motor shaft. The grey disk has sliding key joint with the blue output shaft. A spring creates contact pressure between …
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