(PhysOrg.com) -- Like a fish paddles its pectoral fins to swim through water, flying insects use the same physics laws to "paddle" through the air, say Cornell physicists.
General Physics
May 3, 2011
5
0
Efforts to build larger wind turbines able to capture more energy from the air are stymied by the weight of blades. A Case Western Reserve University researcher has built a prototype blade that is substantially lighter and ...
Engineering
Aug 30, 2011
6
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A European research project aims to reduce the cost of wind energy generation by introducing technical improvements to turbines, which will have to be much quieter in the future than is the case today
Energy & Green Tech
Oct 1, 2015
2
37
Researchers from Northwestern University and the Massachusetts Institute of Technology (MIT) have studied individual water droplets and discovered a miniature version of the "water hammer," an effect that produces the familiar ...
Condensed Matter
Feb 8, 2011
4
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Generating electricity from water is not a new thing. Hydro power stations have already sprung up across the world in China, United States and Canada. However, scientists will not stop exploring advanced technologies for ...
Energy & Green Tech
Dec 11, 2012
0
3
(Phys.org) -- The faster a wind turbine's blade spins, the more energy you can get from it. And the farther you get from the hub, the faster that part of the blade is traveling. So the tips of the blades generate most of ...
Energy & Green Tech
Jul 3, 2012
12
1
Siemens has produced the world's longest rotor blades for wind turbines. Measuring 75 meters in length, the blades are almost as big as the wingspan of an Airbus A380. Beginning this fall, the B75 rotor blades will be installed ...
Energy & Green Tech
Jul 30, 2012
1
0
NASA's history-making Ingenuity Mars Helicopter has ended its mission at the Red Planet after surpassing expectations and making dozens more flights than planned. While the helicopter remains upright and in communication ...
Space Exploration
Jan 25, 2024
0
394
Wind power is an increasingly popular form of renewable energy. However, when it's time to replace the huge turbine blades that convert wind into electricity, disposal is a problem. Now, scientists report a new composite ...
Materials Science
Aug 23, 2022
1
685
The skates matter. The figure skaters competing in the women's long program tonight at the 2010 Vancouver Winter Olympics would never be able to complete the jumps and spins needed to win gold if they wore speed skates.
Other
Feb 26, 2010
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