News tagged with lift forces
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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Cyclogyro Flying Robot Improves its Angles of Attack
(PhysOrg.com) -- In the past few decades, researchers have been investigating a variety of flying machines. Most studies have focused on improving the flying performance of standard flying mechanisms, rather ...
Jan 22, 2009 |
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Search results for lift forces
Flexible paper robots
(PhysOrg.com) -- These inexpensive robots can stretch, bend and twist under control, and lift objects up to 120 times their own weight. Being soft, they can apply gentle and even pressure, and adapt to varied ...
Feb 09, 2012 |
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Dry conditions spurred advanced photosynthesis
The need to conserve water played a vital role in driving plants to evolve a specialised form of photosynthesis, scientists have shown.
Feb 03, 2012 |
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German engineers mimic humpback whale to increase helicopter stability
(PhysOrg.com) -- Whale researchers have known for some time that humpback whales are able to perform feats of underwater acrobatics that belie their huge size and that some of that ability is partly due to ...
Feb 01, 2012 |
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Foot and ankle structure differs between sprinters and non-sprinters
The skeletal structure of the foot and ankle differs significantly between human sprinters and non-sprinters, according to Penn State researchers. Their findings not only help explain why some people are faster runners than ...
Jan 24, 2012 |
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China looks at carbon tax, official says in US
China's lead negotiator on climate change said Wednesday that the world's largest emitter is considering imposing a tax on carbon to reduce the use of dirty energy as its economy grows.
Jan 11, 2012 |
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Satellite imagery detects thermal 'uplift' signal of underground nuclear tests
A new analysis of satellite data from the late 1990s documents for the first time the "uplift" of ground above a site of underground nuclear testing, providing researchers a potential new tool for analyzing the strength of ...
Space & Earth / Earth Sciences
Jan 10, 2012 |
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Better research is needed to understand why elders are happier
(Medical Xpress) -- Older people tend to be happier. But why? Some psychologists believe that cognitive processes are responsible—in particular, focusing on and remembering positive events and leaving behind negative ...
Medicine & Health / Psychology & Psychiatry
Jan 06, 2012 |
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Health Squeeze: UK's free health care under threat
(AP) -- When David Evans needed a hernia operation, the 69-year-old farmer became so alarmed by the long wait that he used an ultrasound machine for pregnant sheep on himself, to make sure he wasn't getting ...
Dec 12, 2011 |
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Prime Indonesian jungle to be cleared for palm oil
(AP) -- The man known as Indonesia's "green governor" chases the roar of illegal chainsaws through plush jungles in his own Jeep. He goes door-to-door to tell families it's in their interest to keep trees ...
Dec 09, 2011 |
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Seal study shows diverse parenting styles
To most of us, one seal seems much like another. But a new study shows they have varied personalities that lead to distinctive approaches to parenting.
Dec 08, 2011 |
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List of search results for lift forces
