'Nano-Manhattan' 3D solar cells boost efficiency

'Nano-Manhattan' 3D solar cells boost efficiency (Update)

Nanotechnology / Nanophysics

created Apr 11, 2007 | popularity 4.4 / 5 (91) | comments 0

Unique three-dimensional solar cells that capture nearly all of the light that strikes them could boost the efficiency of photovoltaic (PV) systems while reducing their size, weight and mechanical complexity.


Future Space Telescopes Could Detect Earth Twin

Future Space Telescopes Could Detect Earth Twin

Space & Earth / Astronomy

created Apr 11, 2007 | popularity 4.9 / 5 (66) | comments 0

For the first time ever, NASA researchers have successfully demonstrated in the laboratory that a space telescope rigged with special masks and mirrors could snap a photo of an Earth-like planet orbiting a ...


MiniBooNE Signal

Fermilab experiment resolves long-standing neutrino question

Physics / General Physics

created Apr 11, 2007 | popularity 4.4 / 5 (64) | comments 0

Scientists of the MiniBooNE experiment at the Department of Energy's Fermilab today announced their first findings. The MiniBooNE results resolve questions raised by observations of the LSND experiment in ...


Beetles' bright colors may influence new light technology

Beetles' bright colors may influence new light technology

Physics / General Physics

created Apr 11, 2007 | popularity 4.6 / 5 (49) | comments 0

In studying the bright green and red colors on a species of scarab beetle, scientists have found that the unusual reflection spectra is caused by defects in the structure of the exocuticle, or hard shell. ...


Where has all the antimatter gone?

Physics / General Physics

created Apr 11, 2007 | popularity 4 / 5 (46) | comments 0

Scientists from the Universities of Liverpool and Glasgow have completed work on the inner heart of an experiment which seeks to find out what has happened to all the antimatter created at the start of the Universe. Matter ...


Astronomers improve cosmic distance scale with Hubble

Space & Earth / Astronomy

created Apr 11, 2007 | popularity 4.5 / 5 (30) | comments 0

An international team of astronomers led by Fritz Benedict and Barbara McArthur of The University of Texas at Austin has used Hubble Space Telescope to solve one of the biggest problems in measuring the universe's expansion. ...


Eye diseases gave great painters different vision of their work

Other Sciences / Other

created Apr 11, 2007 | popularity 4.6 / 5 (22) | comments 1

Michael Marmor, MD, wanted to know what it was like to see through the eyes of an artist. Literally.


Scientists predict nongreen plants on other planets

Scientists predict nongreen plants on other planets

Space & Earth / Space Exploration

created Apr 11, 2007 | popularity 4.2 / 5 (24) | comments 0

NASA scientists believe they have found a way to predict the color of plants on planets in other solar systems.


Researchers create smallest organic light-emitters

Researchers create smallest organic light-emitters

Nanotechnology / Nanophysics

created Apr 11, 2007 | popularity 4.6 / 5 (20) | comments 0

To help light up the nanoworld, a Cornell interdisciplinary team of researchers has produced microscopic "nanolamps" -- light-emitting nanofibers about the size of a virus or the tiniest of bacteria.


Carnegie Mellon professors question advice for nuclear attacks

Physics / General Physics

created Apr 11, 2007 | popularity 3.7 / 5 (23) | comments 0

In the current Fox television adventure series, "24," a terrorist explodes a small nuclear bomb in Los Angeles. In the May 2007 issue of the journal Health Physics, Carnegie Mellon researchers Keith Florig and Baruch Fischh ...


Statistics Professor Hides Pictures, Messages in Problem Solutions

Statistics Professor Hides Pictures, Messages in Problem Solutions

Other Sciences / Mathematics

created Apr 11, 2007 | popularity 3.9 / 5 (21) | comments 0

Say you’re an aspiring statistician who has just spent hours trying to figure out the answer to a particularly thorny problem. As you plug the final numbers into the computer program you’re running in order ...


Full speed ahead: High-temperature superconductors ensure efficient propulsion in all-electric ships

Technology / Engineering

created Apr 11, 2007 | popularity 4.1 / 5 (17) | comments 0

Researchers from Siemens have developed a new type of propulsion motor for all-electric ships (AES). The synchronous machine is part of an electric propulsion system based on high temperature superconducting technology (HTS). ...


Liver regeneration may be simpler than previously thought

Medicine & Health / Research

created Apr 11, 2007 | popularity 4.8 / 5 (14) | comments 0

The way the liver renews itself may be simpler than what scientists had been assuming. A new study, appearing in the April 13 issue of The Journal of Biological Chemistry, provides new information on the inner workings of cel ...


Perception, Status and Bottled Water

Other Sciences / Other

created Apr 11, 2007 | popularity 3.7 / 5 (15) | comments 2

In a new study, University of Arkansas researchers argue that consumers buy bottled water because they perceive it to be purer, safer and healthier than municipal water. Further findings suggest that young and high-income ...


New study zeroes in on genetic roots of Alzheimer's

Medicine & Health / Genetics

created Apr 11, 2007 | popularity 4.5 / 5 (11) | comments 0

Scientists have known for more than a decade that individuals with a certain gene are at higher risk for developing Alzheimer's disease. Now a new study helps explain why this is so.




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