Milky Way’s Giant Black Hole Awoke from Slumber 300 Years Ago
Apr 15, 2008 |
4.6 / 5 (53) |
2
Using NASA, Japanese, and European X-ray satellites, a team of Japanese astronomers has discovered that our galaxy’s central black hole let loose a powerful flare three centuries ago.
A step toward circuits for terahertz computing
Apr 15, 2008 |
4.5 / 5 (53) |
7
University of Utah engineers took an early step toward building superfast computers that run on far-infrared light instead of electricity: They made the equivalent of wires that carried and bent this form ...
Atomic-Level Mechanisms of Phase-Change Memory Materials Revealed
Apr 15, 2008 |
4.5 / 5 (44) |
1
Scientists from the University of Cambridge in the UK have uncovered the atomic-level interactions that occur when a class of “phase-change” memory materials stores information. Their work, reported in the ...
Panasonic Develops New Fuel Cell Cogeneration System
Apr 15, 2008 |
4.6 / 5 (25) |
2
Panasonic today announced it has developed a home-use polymer electrolyte fuel cell (PEFC) cogeneration system. The cogeneration system features the world's highest power-generating efficiency of up to 39% Lower Heating Value ...
NIST Micro Sensor and Micro Fridge Make Cool Pair
Apr 15, 2008 |
4.4 / 5 (19) |
2
Researchers at the National Institute of Standards and Technology have combined two tiny but powerful NIST inventions on a single microchip, a cryogenic sensor and a microrefrigerator. The combination offers ...
Physicist John Wheeler, Einstein collaborator, dead at 96
Apr 15, 2008 |
4.9 / 5 (15) |
2
US physicist John Wheeler, one of Albert Einstein's last collaborators who helped build the atomic bomb and gave black holes their name, died at the weekend, his family said. He was 96.
Bikini corals recover from atomic blast
Apr 15, 2008 |
4.6 / 5 (14) |
2
Half a century after the last earth-shattering atomic blast shook the Pacific atoll of Bikini, the corals are flourishing again. Some coral species, however, appear to be locally extinct.
How big is your brain? Its size may protect you from memory loss
Apr 15, 2008 |
4.8 / 5 (13) |
1
From autopsies, researchers have long known that some people die with sharp minds and perfect memories, but their brains riddled with the plaques and tangles of Alzheimer’s disease. New research shows that those people have ...
Early elephant 'was amphibious'
Biology /
Apr 15, 2008 |
4.2 / 5 (14) |
2
An ancient relative of today’s elephants lived in water, a team led by an Oxford University scientist has found.
Casting for molecules
Apr 15, 2008 |
4.2 / 5 (13) |
0
Many of the larger molecules have something in common with dolls - movable limbs. Physicists at the Fritz Haber Institute of the Max Planck Society in Berlin can now sort molecules according to the direction ...
The drifting star: Astronomers 'listen' to an exoplanet-host star and find its birthplace
Apr 15, 2008 |
4.5 / 5 (11) |
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By studying in great detail the 'ringing' of a planet-harbouring star, a team of astronomers using ESO's 3.6-m telescope have shown that it must have drifted away from the metal-rich Hyades cluster. This discovery ...
New nanotube sensor can continuously monitor minute amounts of insulin
Nanotechnology / Bio & Medicine
Apr 15, 2008 |
4.5 / 5 (11) |
0
A new method that uses nanotechnology to rapidly measure minute amounts of insulin is a major step toward developing the ability to assess the health of the body’s insulin-producing cells in real time.
'Nanodrop' Test Tubes Created with a Flip of a Switch
Nanotechnology / Bio & Medicine
Apr 15, 2008 |
4.5 / 5 (11) |
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Researchers at the National Institute of Standards and Technology have demonstrated a new device that creates nanodroplet “test tubes” for studying individual proteins under conditions that mimic the crowded ...
Molecule prompts blood stem cells to help repair heart damage in animal model
Apr 15, 2008 |
4.9 / 5 (10) |
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Researchers at UT Southwestern Medical Center have for the first time used drug-treated blood stem cells to repair heart damage in an animal model, results that might point to methods for healing injuries from heart attacks ...
NASA Extends Cassini's Grand Tour of Saturn
Space & Earth / Space Exploration
Apr 15, 2008 |
4.6 / 5 (10) |
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NASA is extending the international Cassini-Huygens mission by two years. The historic spacecraft's stunning discoveries and images have revolutionized our knowledge of Saturn and its moons.
