If a hard-boiled egg is spun fast enough on a table, it will slowly stand upright as it continues to spin. Although the spinning egg rises due to the force of friction between the egg and the table, the full explanation involves ...
With global carbon emissions on the rise, wind power continues to be an attractive option for states and countries looking to limit fossil fuel use and increase renewable energy. Wind already accounts for over 5 percent of ...
Energy & Green Tech
Nov 17, 2017
7
100
Space may seem empty, but it's actually a dynamic place populated with near-invisible matter, and dominated by forces, in particular those created by magnetic fields. Magnetospheres—the magnetic fields around most planets—exist ...
Space Exploration
Nov 1, 2017
0
731
Like cosmic lighthouses sweeping the universe with bursts of energy, pulsars have fascinated and baffled astronomers since they were first discovered 50 years ago. In two studies, international teams of astronomers suggest ...
Astronomy
Jan 17, 2017
0
2220
The moon Hyperion tumbles as it orbits Saturn. Hyperion's (168 miles or 270 kilometers across) spin axis has a chaotic orientation in time, meaning that it is essentially impossible to predict how the moon will be spinning ...
Space Exploration
Dec 6, 2016
1
4
Sputnik Planitia, a 1,000-kilometer wide basin within the iconic heart-shaped region observed on Pluto's surface, could be in its present location because accumulation of ice made the dwarf planet roll over, creating cracks ...
Space Exploration
Nov 16, 2016
1
467
The Allen Telescope Array uses 42 radio dishes to search for radio transmissions from ET. How do we know the system is working? To answer that we point the dishes in the direction of a spacecraft we know is transmitting radio ...
Space Exploration
Sep 13, 2016
0
21
Scientists may have found a link between the pulsations of light coming from a black hole accretion disk and the "breathing" of that disk.
Astronomy
Jun 21, 2016
0
140
A Finnish invention, a vertical axis Savonius wind turbine, can be further improved, according to a new study from the University of Vaasa.
Energy & Green Tech
May 20, 2016
0
77
Using satellite data on how water moves around Earth, NASA scientists have solved two mysteries about wobbles in the planet's rotation—one new and one more than a century old. The research may help improve our knowledge ...
Earth Sciences
Apr 11, 2016
2
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