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Saturday, July 2, 2011

ScienceDaily: Top Technology News

ScienceDaily: Top Technology News


Flapping micro air vehicles inspired by swifts

Posted: 01 Jul 2011 05:37 PM PDT

A new design of micro air vehicle (MAV) will be able to flap, glide and hover. Researchers have been inspired by birds to design a MAV that combines flapping wings, which will allow it to fly at slow speeds and hover, with the ability to glide, ensuring good quality images from any on-board camera.

Sun and planets constructed differently, analysis from NASA mission suggests

Posted: 01 Jul 2011 07:17 AM PDT

The sun and inner, rocky planets, including the Earth, may have formed differently than previously thought, report scientists analyzing samples returned by NASA's Genesis mission.

Ultimate energy efficiency: Magnetic microprocessors could use million times less energy than today's silicon chips

Posted: 01 Jul 2011 07:17 AM PDT

Information theory and the second law of thermodynamics dictate that a logical operation in a computer must consume a minimum amount of energy. Today's computers consume a million times more energy per operation than this limit, but magnetic computers with no moving electrons could theoretically operate at the minimum energy, called the Landauer limit, according to electrical engineers.

Researchers map the physics of Tibetan singing bowls

Posted: 30 Jun 2011 07:00 PM PDT

Researchers have been investigating the connection between fifth century Himalayan instruments used in religious ceremonies and modern physics.

Why 'event cloaks' could be the key to the ultimate bank heist

Posted: 30 Jun 2011 06:59 PM PDT

In this month's special issue of Physics World, which examines the science and applications of invisibility, Martin McCall and Paul Kinsler of Imperial College London describe a new type of invisibility cloak that does not just hide objects -- but events.

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