40% efficient solar cells to be used for solar electricity
Jun 01, 2007 |
4.6 / 5 (456) |
0
Scientists from Spectrolab, Inc., a subsidiary of Boeing, have recently published their research on the fabrication of solar cells that surpass the 40% efficiency milestone—the highest efficiency achieved ...
Physicist says testing technique for gravitomagnetic field is ineffective
Jun 01, 2007 |
4.5 / 5 (37) |
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Albert Einstein’s theory of general relativity has fascinated physicists and generated debate about the origin of the universe and the structure of objects like black holes and complex stars called quasars. A major focus ...
UC San Diego physicists devise viable design for spin-based electronics
Jun 01, 2007 |
4.5 / 5 (27) |
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Physicists at the University of California, San Diego have proposed a design for a semiconductor computer circuit based on the spin of electrons. They say the device would be more scalable and have greater computational ...
Long-distance record -- 'Quantum keys' sent 200 kilometers
Jun 01, 2007 |
4.2 / 5 (28) |
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Particles of light serving as “quantum keys”—the latest in encryption technology—have been sent over a record-setting 200-kilometer fiber-optic link by researchers from the National Institute of Standards and Technology (NIST), ...
Agent slows aging in mice
Biology /
Jun 01, 2007 |
4.7 / 5 (25) |
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Aspirin didn’t pan out. Neither did two other potential anti-aging agents. But a synthetic derivative of a pungent desert shrub is now a front- runner in ongoing animal experiments to find out if certain chemicals, ...
Pinning down the butterfly's wings
Jun 01, 2007 |
3.5 / 5 (18) |
0
A Belgian mathematician hopes to use the science of chaos, the butterfly effect and strange attractors to help build a complete model of climate and resources that will lead to a new approach to sustainable development.
Math that powers spam filters used to understand how brain learns to move our muscles
Jun 01, 2007 |
4.1 / 5 (14) |
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A team of biomedical engineers has developed a computer model that makes use of more or less predictable “guesstimates” of human muscle movements to explain how the brain draws on both what it recently learned and what ...
Cellular message movement captured on video
Jun 01, 2007 |
4.8 / 5 (12) |
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[B]Proper signaling step required for controlled cell growth -- otherwise, cancer and other diseases can result[/B] Scientists have captured on video the intracellular version of a postal delivery service. Rep ...
Soils offer new hope as carbon sink
Jun 01, 2007 |
4.8 / 5 (12) |
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[B]Trials of agrichar using pyrolysis[/B] The huge potential of agricultural soils to reduce greenhouse gases and increase production at the same time has been reinforced by new research findings at NSW Department of Pri ...
Cells re-energize to come back from the brink of death
Jun 01, 2007 |
4.9 / 5 (11) |
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The discovery of how some abnormal cells can avoid a biochemical program of self-destruction by increasing their energy level and repairing the damage, is giving investigators at St. Jude Children's Research Hospital insights ...
Astronomers Find Their Third Planet With Novel Telescope Network
Jun 01, 2007 |
4.6 / 5 (11) |
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Astronomers using the Trans-atlantic Exoplanet Survey (TrES) network of small telescopes are announcing today their discovery of a planet twice the mass of Jupiter that passes in front of its star every 31 ...
Building our new view of Titan
Space & Earth / Space Exploration
Jun 01, 2007 |
4.5 / 5 (10) |
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Two and a half years after the historic landing of ESA’s Huygens probe on Titan, a new set of results on Saturn’s largest moon is ready to be presented. Titan, as seen through the eyes of the European Space Agency’s Huygens ...
Researchers achieve atomic spectroscopy on a chip
Jun 01, 2007 |
4.5 / 5 (10) |
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Researchers at the University of California, Santa Cruz, have performed atomic spectroscopy with integrated optics on a chip for the first time, guiding a beam of light through a rubidium vapor cell integrated ...
EU project to develop first fuel-cell aircraft
Jun 01, 2007 |
4.9 / 5 (9) |
0
Designing the first fuel-cell manned intercity aircraft is the goal of a recently launched EU-funded project.
Scientists connect climate change, origins of agriculture in Mexico
Jun 01, 2007 |
4.6 / 5 (8) |
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New charcoal and plant microfossil evidence from Mexico’s Central Balsas valley links a pivotal cultural shift, crop domestication in the New World, to local and regional environmental history. Agriculture ...
