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New efficiency record for solar cells

May 14, 2008 | User rating: 4.7 / 5 after 39 vote(s) | pda version

Physicist Bram Hoex and colleagues at Eindhoven University of Technology, together with the Fraunhofer Institute in Germany, have improved the efficiency of an important type of solar cell from 21.9 to 23.2 percent (a relative ...


Physicists Demonstrate How Information Can Escape From Black Holes

May 14, 2008 | User rating: 4.4 / 5 after 73 vote(s) | pda version

Physicists at Penn State have provided a mechanism by which information can be recovered from black holes, those regions of space where gravity is so strong that, according to Einstein's theory of general ...


Undergraduates develop 'dirt-powered' microbial fuel cells to light Africa

May 14, 2008 | User rating: 4.3 / 5 after 6 vote(s) | pda version

A team composed of Harvard students and alumni was among the winners of the World Bank’s Lighting Africa 2008 Development Marketplace competition, held in Accra, Ghana from May 6 to 8, 2008. The innovation, microbial fuel ...


Student Innovation Could Improve Data Storage, Magnetic Sensors

May 14, 2008 | User rating: 3.8 / 5 after 18 vote(s) | pda version

Paul Morrow has come a long way from his days as an elementary school student, pulling apart his mother’s cassette player. The talented young physicist has developed two innovations that could vastly improve ...


A Smarter Way to Grow Graphene

May 14, 2008 | User rating: 4.5 / 5 after 34 vote(s) | pda version

Graphene, a sheet of carbon just one atom thick, has many potential uses in the electronics industry, but producing these ideal two-dimensional carbon sheets is very difficult and, as a result, their use has ...


Shrimps see beyond the rainbow

May 14, 2008 | User rating: 4.6 / 5 after 25 vote(s) | pda version

A Swiss marine biologist and an Australian quantum physicist have found that a species of shrimp from the Great Barrier Reef, Australia, can see a world invisible to all other animals.


CU-Boulder team to build $34 million instrument package for environmental satellite

May 13, 2008 | User rating: 1 / 5 after 1 vote(s) | pda version

A $34 million solar instrument package to be built by the University of Colorado at Boulder, considered a crucial tool to help monitor global climate change, has been restored to a U.S. government satellite ...


Rensselaer student invents alternative to silicon chip

May 13, 2008 | User rating: 4.6 / 5 after 83 vote(s) | pda version

Even before Weixiao Huang received his doctorate from Rensselaer Polytechnic Institute, his new transistor captured the attention of some of the biggest American and Japanese automobile companies. The 2008 ...


Research shines spotlight on a key player in the dance of chromosomes

May 13, 2008 | User rating: 4.3 / 5 after 4 vote(s) | pda version

Cell division is essential to life, but the mechanism by which emerging daughter cells organize and divvy up their genetic endowments is little understood. In a new study, researchers at the University of Illinois and Columbia ...


Argonne scientists use lasers to align molecules

May 13, 2008 | User rating: 4.1 / 5 after 7 vote(s) | pda version

Protein crystallographers have only scratched the surface of the human proteins important for drug interactions because of difficulties crystallizing the molecules for synchrotron x-ray diffraction.


NASA's GLAST gets shades, blankets for the beach

May 13, 2008 | User rating: 4 / 5 after 3 vote(s) | pda version

GREENBELT, Md. - NASA's Gamma-ray Large Area Space Telescope, or GLAST, is receiving finishing touches at the Cape Canaveral Air Force Station, near the beaches of eastern central Florida for its launch. The ...


Black holes not black after all

May 12, 2008 | User rating: 4.1 / 5 after 54 vote(s) | pda version

International scientists have used flowing water to simulate a black hole, testing Stephen Hawking's theory that black holes are not black after all.


Precise Alignment to Quantum Dots

May 12, 2008 | User rating: 4.7 / 5 after 26 vote(s) | pda version

“Precise lithographic alignment to site-controlled quantum dots is of major importance for numerous nano-photonic, nano-electronic and nano-spintronic devices,” Sven Höfling tells PhysOrg.com.


Model shows how mutation tips biochemistry to cause Alzheimer's

May 12, 2008 | User rating: 4 / 5 after 14 vote(s) | pda version

Your fate can be determined by tiny events. Imagine you live in the city and you walk everywhere to get exercise – you are healthy and not afraid of getting mugged. You almost never eat breakfast so you don’t stop at the ...


A crash course in true political science

May 10, 2008 | User rating: 4.3 / 5 after 26 vote(s) | pda version

(AP) -- Daniel Suson has a doctorate in astrophysics and has worked on the superconducting super collider and a forthcoming NASA probe. Now he's heading back to school to take on an even trickier task - getting ...


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