New Data Suggests We Don’t Live in a Void, and Supports Dark Energy
Jan 28, 2009 |
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(PhysOrg.com) -- An alternative proposal to dark energy in which the Earth sits near the center of a large void is undergoing scrutiny, and the results show that void models fit poorly with observed data. ...
Sub-atomic-scale Writing Using a Quantum Hologram Sets New Size Record (Video)
Jan 28, 2009 |
4.5 / 5 (19) |
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(PhysOrg.com) -- Physicists have set a new world record for the smallest writing, with features of letters as small as 0.3 nanometers, or roughly one third of a billionth of a meter. The accomplishment demonstrates ...
Physicists working up from atoms to Schrodinger's cat
Jan 28, 2009 |
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(PhysOrg.com) -- Schrodinger's cat, a macroscopic object that is both alive and dead at the same time, illustrates the strangeness of quantum mechanics. While such quantum properties have been widely observed for electrons ...
Black hole outflows from Centaurus A detected with APEX
Jan 28, 2009 |
4.7 / 5 (14) |
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(PhysOrg.com) -- Astronomers have a new insight into the active galaxy Centaurus A (NGC 5128), as the jets and lobes emanating from the central black hole have been imaged at submillimetre wavelengths for ...
Physicists discover surprising variation in superconductors
Jan 28, 2009 |
4.8 / 5 (12) |
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(PhysOrg.com) -- MIT physicists have discovered that several high-temperature superconductors display patchwork quilt-like variations at the atomic scale, a surprising finding that could help scientists understand a new class ...
For Refrigeration Problems, a Magnetically Attractive Solution
Jan 28, 2009 |
4.7 / 5 (12) |
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(PhysOrg.com) -- Your refrigerator’s humming, electricity-guzzling cooling system could soon be a lot smaller, quieter and more economical thanks to an exotic metal alloy discovered by an international collaboration ...
Some of Earth's climate troubles should face burial at sea, scientists say
Jan 28, 2009 |
2.8 / 5 (17) |
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(PhysOrg.com) -- Making bales with 30 percent of global crop residues -- the stalks and such left after harvesting -- and then sinking the bales into the deep ocean could reduce the build up of global carbon ...
Regular sprints boost metabolism
Jan 28, 2009 |
4.9 / 5 (9) |
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A regular high-intensity, three-minute workout has a significant effect on the body’s ability to process sugars. Research published in the open access journal BMC Endocrine Disorders shows that a brief but intense exerci ...
Is technology producing a decline in critical thinking and analysis?
Medicine & Health / Psychology & Psychiatry
Jan 28, 2009 |
4.6 / 5 (9) |
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As technology has played a bigger role in our lives, our skills in critical thinking and analysis have declined, while our visual skills have improved, according to research by Patricia Greenfield, UCLA distinguished professor ...
Tiny plants with a global impact - results of climate change experiment published
Jan 28, 2009 |
4 / 5 (10) |
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A possible solution to global warming may be further away than ever, according to a new report published in the prestigious scientific journal Nature this week.
Geoengineering could complement mitigation to cool the climate
Space & Earth / Earth Sciences
Jan 28, 2009 |
2.5 / 5 (15) |
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The first comprehensive assessment of the climate cooling potential of different geoengineering schemes has been carried out by researchers at the University of East Anglia (UEA).
Scientists create working artificial nerve networks
Jan 28, 2009 |
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Scientists have already hooked brains directly to computers by means of metal electrodes, in the hope of both measuring what goes on inside the brain and eventually healing conditions such as blindness or epilepsy. In the ...
Astronomers get a sizzling weather report from a distant planet
Jan 28, 2009 |
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Astronomers have observed the intense heating of a distant planet as it swung close to its parent star, providing important clues to the atmospheric properties of the planet. The observations enabled astronomers ...
What happens when we sleep
Jan 28, 2009 |
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Lack of sleep is a common complaint but for many, falling asleep involuntarily during the day poses a very real and dangerous problem. A new study from the Montreal Neurological Institute (MNI) at McGill University demonstrates ...
Charcoal evidence tracks climate changes in Younger Dryas
Space & Earth / Earth Sciences
Jan 28, 2009 |
4.4 / 5 (7) |
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A new study reports that charcoal particles left by wildfires in sediments of 35 North American lake beds don't readily support the theory that comets exploding over the continent 12,900 years ago sparked ...
