'Phononic Computer' Could Process Information with Heat
Nov 02, 2007 |
4.2 / 5 (74) |
8
Most computers today use electrons to carry information, while theoretical optical computers use photons. Recently, physicists from Singapore have proposed a third type of computer: a “phononic computer,” ...
French Physicists Calculate Mean First Passage Time
Nov 02, 2007 |
4.6 / 5 (42) |
0
First Passage Time, (FTP) can best be understood by pondering the question, "How long does it take a random walker to reach a given target?" The FTP is key to predicting the spread of disease, neuron firing ...
New report shows how our diet must change to cut cancer risk
Nov 02, 2007 |
4 / 5 (38) |
3
A new report published this week by the World Cancer Research Fund (WCRF) will show how much our diet needs to change if we are to reduce the risk of cancer.
Lava provides window on early Earth
Space & Earth / Earth Sciences
Nov 02, 2007 |
4.3 / 5 (22) |
0
Researchers at Harvard and the University of Hawaii believe they’ve resolved a long-standing controversy over the roots of islands — volcanoes in the middle of tectonic plates — showing that the islands’ lava ...
New computer program automates chip debugging
Nov 02, 2007 |
4.9 / 5 (15) |
1
Fixing design bugs and wrong wire connections in computer chips after they've been fabricated in silicon is a tedious, trial-and-error process that often costs companies millions of dollars and months of time-to-market.
Light-powered micro-machines to advance telecommunications
Nov 02, 2007 |
4.4 / 5 (16) |
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A new theory developed at MIT could lead to "smart" optical microchips that adapt to different wavelengths of light, potentially advancing telecommunications, spectroscopy and remote sensing.
Research predicts size-induced transition to nanoscale half-metallicity
Nov 02, 2007 |
4.1 / 5 (16) |
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How big does a cluster of metal atoms actually have to be before it starts acting like a metal: ductile, malleable and a conductor?
Folic acid linked to increased cancer rate
Nov 02, 2007 |
4.5 / 5 (13) |
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Two recent commentaries appearing in the November issue of Nutrition Reviews find that the introduction of flour fortified with folic acid into common foods was followed by an increase in colon cancer diagnoses in the U. ...
Study: Fountain of youth for your heart?
Nov 02, 2007 |
4.6 / 5 (12) |
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An age-related decline in heart function is a risk factor for heart disease in the elderly. While many factors contribute to a progressive age-related decline in heart function, alterations in the types of fuels the heart ...
If not in atmosphere, where does carbon go?
Space & Earth / Earth Sciences
Nov 02, 2007 |
3.3 / 5 (15) |
2
A prominent atmospheric scientist Monday (Oct. 29) called for more research into natural carbon “sinks,” which today absorb almost half of man-made carbon dioxide released into the atmosphere and which will play a large role ...
Teamwork increases student learning and career success
Nov 02, 2007 |
4 / 5 (10) |
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A two-year study of college students at The Pennsylvania State University (PSU) proves that students learn better and develop higher-level skills by participating in cooperative (team) activities, compared ...
Shrinking glaciers threaten China
Nov 02, 2007 |
4.4 / 5 (8) |
1
China's glaciers in western Xinjiang Uygur region are shrinking alarmingly due to global and regional warming, posing a threat to the oases in the area.
Space Exploration 3.0 about to begin
Space & Earth / Space Exploration
Nov 02, 2007 |
4.3 / 5 (8) |
3
Space exploration is about to enter a third age where nations will cooperate to explore the solar system.
Governor opposes polar bear protection
Nov 02, 2007 |
3 / 5 (10) |
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Environmentalists say Alaska Gov. Sarah Palin is skating on thin ice with her opposition to efforts to protect polar bears.
Researchers study how people think about what is and isn't risky
Nov 02, 2007 |
4.3 / 5 (6) |
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Why do people live in places like southern California where homes intermingle with wooded areas and the risk of wildfire is so great? Leading social scientists have a surprising answer: because the emotional ...
