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Physics / Materials news 1234

Possible Mechanism for Enormous Electromechanical Response

20 hours ago | User rating: 4.6 / 5 after 26 vote(s) | User comments: 1

Scientists at the U.S. Department of Energy's Brookhaven National Laboratory and collaborators at Stony Brook University, Johns Hopkins University, and the National Institute of Standards and Technology have ...


Engineers 'bone' up on biological materials

May 07, 2008 | User rating: not shown ( 4 vote(s) ) | No comments yet

In a recent feature article published in Materials Research Society's Bulletin, Dr Michelle Oyen explores the potential uses of synthetic bone-like material. Michelle suggests that these materials will ...


Modern ceramics help advance technology

May 08, 2008 | User rating: 3.8 / 5 after 8 vote(s) | No comments yet

Many important electronic devices used by people today would be impossible without the use of ceramics. A new study published in the Journal of the American Ceramic Society illustrates the use of ceramic materials ...


Atomic-Level Mechanisms of Phase-Change Memory Materials Revealed

April 15, 2008 | User rating: 4.6 / 5 after 37 vote(s) | User comments: 1

Scientists from the University of Cambridge in the UK have uncovered the atomic-level interactions that occur when a class of “phase-change” memory materials stores information. Their work, reported in the ...


Can a Polymer Help Curb Arctic Ice Melting?

April 29, 2008 | User rating: 3.3 / 5 after 39 vote(s) | User comments: 14

In order to help prevent the melting of Arctic ice, a process that has been occurring at alarming rates in recent years, which many scientists believe is due gradual global warming, a group of researchers ...


An Invisible Cloak for Magnetism

March 31, 2008 | User rating: 4.5 / 5 after 77 vote(s) | User comments: 11

The subject of metamaterials is mad science at its finest – researchers trying to create materials with properties that don’t exist in nature, and that cannot be made with ordinary atoms.


New 3-D Test Method for Biomaterials 'Flat Out' Faster

April 29, 2008 | User rating: not shown ( 4 vote(s) ) | User comments: 1

A novel, three-dimensional (3-D) screening method for analyzing interactions between cells and new biomaterials could cut initial search times by more than half, researchers from the National Institute of Standards and Technology ...


More Solid than Solid: A Potential Hydrogen-Storage Compound

April 02, 2008 | User rating: 4.3 / 5 after 79 vote(s) | User comments: 4

One of the key engineering challenges to building a clean, efficient, hydrogen-powered car is how to design the fuel tank. Storing enough raw hydrogen for a reasonable driving range would require either impractically ...


Scientists turn dents into smart bumps

August 23, 2006 | User rating: 4.4 / 5 after 50 vote(s) | No comments yet

Due to a phenomenon called the shape memory effect (SME), certain "memory metals" can be distorted and then brought back to their original shape by a simple temperature change. While a one-way memory effect ...


Protein-Nanoparticle Material Mimics Human Brain Tissue

July 21, 2006 | User rating: 4.5 / 5 after 31 vote(s) | No comments yet

A composite material consisting of a horse protein and metallic nanoparticles displays magnetic properties very similar to those of human brain tissue, scientists have found. The work, published in the June 20 online edition ...


From cartilage to fruit-fly wings, physicist studies 'squishiness' in everyday things

April 16, 2008 | User rating: 4.2 / 5 after 6 vote(s) | No comments yet

Cartilage is essential to movement in the human body, cushioning bones and joints, while retaining its shape despite a lot of pressure, poking and prodding. Unfortunately, it also often starts breaking down ...


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, ...


Newly discovered 'superinsulators' promise to transform materials research, electronics design

April 07, 2008 | User rating: 4.6 / 5 after 58 vote(s) | User comments: 3

Superinsulation may sound like a marketing gimmick for a drafty attic or winter coat. But it is actually a newly discovered fundamental state of matter created by scientists at the U.S. Department of Energy's ...


Switchable mirror glass produced for energy efficient windows

January 30, 2007 | User rating: 4.4 / 5 after 134 vote(s) | No comments yet

Although windows can naturally heat buildings in the cold seasons, some hot sunny days might make you wish that windows would just go away. Scientists from Japan have recently designed new technology that will ...


Flat, Flexible, Wireless Power Source Can Go Anywhere

May 23, 2007 | User rating: 4.6 / 5 after 127 vote(s) | User comments: 1

A team of Japanese researchers has created a novel wireless power-transmission device that is thin, flat, and flexible. Based on a sheet of plastic, the device can be put on desks, floors, walls, and almost ...


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