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Physics / Materials news 2345

Researchers Create Tiny, Self-Propelled Devices

February 12, 2007 | User rating: 4.5 / 5 after 33 vote(s) | No comments yet

North Carolina State University scientists have figured out a method to supply microscopic devices with enough energy to not only allow them to propel themselves through liquid – a difficult function in its own right – but ...


Mimicking Nature Creates Self-Cleaning Coatings

October 13, 2006 | User rating: 4.4 / 5 after 45 vote(s) | No comments yet

Researchers at the Georgia Institute of Technology are mimicking one of Nature’s best non-stick surfaces to help create more reliable electric transmission systems, photovoltaic arrays that retain their efficiency, ...


Researchers develop 'MRI' for fuel cells

June 16, 2006 | User rating: 4.6 / 5 after 32 vote(s) | No comments yet

As gasoline prices top $3 a gallon in major cities, the drive toward increasing energy efficiency and reducing air pollution has accelerated, and the development of fuel cells has become a major focus worldwide.


Curtain may be closing on scientific water controversy

June 27, 2006 | User rating: 4.4 / 5 after 29 vote(s) | No comments yet

The curtain may be ringing down on a scientific controversy regarding the structure of water which arose two years ago. A new study by scientists with the U.S. Department of Energy's Lawrence Berkeley National ...


Study Finds New Properties in Non-Magnetic Materials

June 11, 2008 | User rating: 4.2 / 5 after 19 vote(s) | User comments: 1

A team of Penn State researchers has shown for the first time that the entire class of non-magnetic materials, such as those used in some computer components, could have considerably more uses than scientists ...


Scientists construct complementary circuits from organic materials

March 01, 2007 | User rating: 4.5 / 5 after 41 vote(s) | No comments yet

A flat screen that can be rolled up and put into a jacket pocket - organic transistors with low energy consumption could make this possible. Scientists at the Max Planck Institute for Solid State Research in ...


Switchable Lotus Effect

September 04, 2006 | User rating: 4.7 / 5 after 37 vote(s) | No comments yet

Lotus blossoms are beautiful, and always immaculately clean. Water drops bead up and roll off of their water-repellent surface, washing away every speck of dust. This type of self-cleaning surface would be very useful to ...


Researchers discover hydrogen can form multicenter bonds

December 04, 2006 | User rating: 4.2 / 5 after 24 vote(s) | No comments yet

Researchers at the University of California, Santa Barbara have shown that, under the right circumstances, hydrogen can form multicenter bonds, where one hydrogen atom simultaneously bonds to as many as four or six other ...


New X-Ray microbeam answers 20-year-old metals question

August 03, 2006 | User rating: 4.7 / 5 after 24 vote(s) | No comments yet

What happens to metals when you bend them? The question isn't as easy as you may think. A research team from the National Institute of Standards and Technology, Oak Ridge National Laboratory, and the University ...


Solitons could power molecular electronics, artificial muscles

July 06, 2006 | User rating: 4.6 / 5 after 31 vote(s) | No comments yet

Scientists have discovered something new about exotic particles called solitons. Since the 1980s, scientists have known that solitons can carry an electrical charge when traveling through certain organic polymers. ...


Foldable and stretchable, silicon circuits conform to many shapes

March 27, 2008 | User rating: 4.5 / 5 after 23 vote(s) | User comments: 1

Scientists have developed a new form of stretchable silicon integrated circuit that can wrap around complex shapes such as spheres, body parts and aircraft wings, and can operate during stretching, compressing, ...


Researchers reveal insights on silicon semiconductors

June 23, 2006 | User rating: 4.2 / 5 after 22 vote(s) | No comments yet

"Smaller. Faster. Wildly complex." This could easily be the motto for semiconductors-the materials that, among lots of other advances in electronics, allow cell phones to continuously shrink in size while increasing ...


Microcapsules like it Hot and Salty

November 24, 2006 | User rating: 4.5 / 5 after 15 vote(s) | No comments yet

Scientists at the Max Planck Institute of Colloids and Interfaces have presented a new method with which to precisely control the permeability of microcapsules using the salt content and the temperature of ...


New fluorescent sensing material created

May 29, 2007 | User rating: 4 / 5 after 10 vote(s) | No comments yet

U.S. and Chinese scientists have created a type of fluorescent sensing material that could lead to rapid detection of explosives in security screening.


Quicker, cleaner computers are in sight

July 31, 2006 | User rating: 3.8 / 5 after 16 vote(s) | No comments yet

Imagine a computer instantly working when it was turned on because it didn't need power to reload its memory and get it working. Leeds physicists are leading a new £2.3m project to make new materials which would allow computer ...


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