News tagged with blade
Swimming led to flying, physicists say
(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.
May 03, 2011 |
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Discovery of mini 'water hammer' effect could lead to materials that water really hates
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 ...
Feb 08, 2011 |
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Dyson Unveils His Bladeless Fan (w/ Videos)
(PhysOrg.com) -- James Dyson, inventor of the bag-less vacuum cleaners has taken his invention one step further with the unveiling of the bladeless fan. Using 'Air Multiplier' technology the bladeless fan ...
Technology / Hi Tech & Innovation
Oct 14, 2009 |
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Dutch 'flying car' takes to the skies
Is it a flying car or a driving aircraft? Either way, the Personal Air and Land Vehicle, or PAL-V for short, has just proved it can handle the skies as well as the highway, both at up to 180 kilometres (112 ...
Technology / Hi Tech & Innovation
Apr 03, 2012 |
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Scorpions inspire scientists in making tougher surfaces for machinery
Taking inspiration from the yellow fattail scorpion, which uses a bionic shield to protect itself against scratches from desert sandstorms, scientists have developed a new way to protect the moving parts of ...
Jan 25, 2012 |
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Archaeologists find blade production earlier than originally thought
Archaeology has long associated advanced blade production with the Upper Palaeolithic period, about 30,000-40,000 years ago, linked with the emergence of Homo Sapiens and cultural features such as cave art. ...
Other Sciences / Archaeology & Fossils
Oct 17, 2011 |
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Researchers build a tougher, lighter wind turbine blade
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 ...
Aug 30, 2011 |
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Cold electrons to aid better design of drugs and materials
A new source of very cold electrons will improve the quality and speed of nanoimaging for drug and materials development to a trillionth of a second.
Aug 01, 2011 |
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China's 'solar city' rushes to catch power boom
Solar panels jut out of streetlights in China's self-proclaimed Clean Energy City. Tiny wind turbines twirl atop public buildings. Schools are due to teach students about "green living."
Technology / Energy & Green Tech
Jun 22, 2011 |
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Noise research to combat 'wind turbine syndrome'
(PhysOrg.com) -- University of Adelaide acoustics researchers are investigating the causes of wind turbine noise with the aim of making them quieter and solving 'wind turbine syndrome'.
Jun 01, 2011 |
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Getting ice, frost off planes problematic
The buildup of ice on surfaces can cause problems in many situations: On airplane wings or on their engine turbine blades, ice can both add weight and interfere with a wing’s lift, which can make it impossible ...
Dec 22, 2010 |
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Wind turbines may benefit crops
Wind turbines in Midwestern farm fields may be doing more than churning out electricity. The giant turbine blades that generate renewable energy might also help corn and soybean crops stay cooler and dryer, help them fend ...
Dec 16, 2010 |
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Enhancing the efficiency of wind turbines
A milestone in the history of renewable energy occurred in the year 2008 when more new wind-turbine power generation capacity was added in the U.S. than new coal-fired power generation. The costs of producing power with wind ...
Nov 22, 2010 |
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Jet engine too hot? Schedule an MRI
Magnetic resonance imaging (MRI), a medical imaging technology used to image organs and soft tissues, may hold the key to improving the efficiency of jet engines, according to Lt. Colonel Michael Benson, a Ph.D. student in ...
Nov 22, 2010 |
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Slight change in wind turbine speed significantly reduces bat mortality
While wind energy has shown strong potential as a large-scale, emission-free energy source, bat and bird collisions at wind turbines result in thousands of fatalities annually. Migratory bats, such as the ...
Nov 01, 2010 |
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