Hints of universal behavior seen in exotic three-atom states
A novel type of inter-particle binding predicted in 1970 and observed for the first time in 2006, is forming the basis for an intriguing kind of ultracold quantum chemistry. Chilled to nano-kelvin temperatures, ...
Sep 23, 2011 |
4.8 / 5 (10) |
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NASA completes Orion spacecraft parachute testing in Arizona
NASA this week completed the first in a series of flight-like parachute tests for the agency's Orion spacecraft. The drop tests at the U.S. Army's Yuma Proving Grounds in Arizona support the design and development of the ...
Space & Earth / Space Exploration
Sep 23, 2011 |
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Computer simulation shows Solar System once had an extra planet
(PhysOrg.com) -- A new study published on arXiv.org shows that, based on computer simulations, Jupiter, Saturn, Uranus and Neptune may not have been the only gas giants in our solar system. According to David ...
Sep 22, 2011 |
4.2 / 5 (20) |
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Simulating turbulent combustion speeds design
Air and fuel mix violently during turbulent combustion. The ferocious mixing needed to ignite fuel and sustain its burning is governed by the same fluid dynamics equations that depict smoke swirling lazily ...
Sep 22, 2011 |
5 / 5 (2) |
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Catching molecular motion at just the right time
University of Oregon researchers have devised a mathematically rich analytic approach to account for often-missing thermodynamic and molecular parameters in molecular dynamic simulations.
Sep 21, 2011 |
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Robotic fish test the waters for safety risks
(PhysOrg.com) -- Scientists at Michigan State University are designing and studying robotic fish to be made to swim in schools in order to monitor environmental signs such as accumulations of algae and oil ...
Sep 21, 2011 |
4.5 / 5 (4) |
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Deep oceans can mask global warming for decade-long periods
The planet's deep oceans at times may absorb enough heat to flatten the rate of global warming for periods of as long as a decade even in the midst of longer-term warming, according to a new analysis led by the National Center ...
Sep 18, 2011 |
4.4 / 5 (7) |
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Modeling the local impact of global climate change
"You don't need a weatherman to know which way the wind blows," Bob Dylan famously sang. But if you want to know how it will blow tomorrow, odds are you're going to check the forecast.
Space & Earth / Earth Sciences
Sep 16, 2011 |
5 / 5 (3) |
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Dark matter packs a punch: Milky Way's spiral arms formed by intergalactic collision
The signature spiral arms of the Milky Way galaxy were likely formed by an epic collision between the Milky Way and the Sagittarius Dwarf galaxy, according to a University of Pittsburgh researcher and his ...
Sep 14, 2011 |
3.5 / 5 (11) |
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Mastering the mysteries of the Madden-Julian Oscillation
Tropical monsoons, cyclones and thunderstorms. Weather patterns around the world are influenced by the MJO. And now, climate scientists can model it, thanks to research from Pacific Northwest National Laboratory ...
Space & Earth / Earth Sciences
Sep 13, 2011 |
5 / 5 (2) |
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Manipulative mothers subdue show-off sons
The gaudy plumage and acrobatic displays of birds of paradise are a striking example of sexual selection, Charles Darwin's second great theory of evolution. But new research shows that this powerful process may collapse when ...
Sep 12, 2011 |
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Bursting neurons follow the same beat, sometimes
A simplified mathematical model of the brain's neural circuitry shows that repetitious, overlapped firing of neurons can lead to the waves of overly synchronized brain activity that may cause the halting movements that are ...
Sep 12, 2011 |
5 / 5 (1) |
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Cosmic crashes forging gold: Nuclear reactions in space do produce the heaviest elements
(PhysOrg.com) -- Collisions of neutron stars produce the heaviest elements such as gold or lead. The cosmic site where the heaviest chemical elements such as lead or gold are formed has most likely been identified: ...
Sep 09, 2011 |
4.8 / 5 (25) |
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Switching from coal to natural gas would do little for global climate, study indicates
Although the burning of natural gas emits far less carbon dioxide than coal, a new study concludes that a greater reliance on natural gas would fail to significantly slow down climate change. The study appears ...
Sep 08, 2011 |
4.6 / 5 (13) |
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Ultrafast substorm auroras explained (w/ video)
(PhysOrg.com) -- From time to time, sudden releases of energy in Earth's magnetosphere lead to major disturbances that result in bright auroral displays over the planet's polar regions. These auroras are caused by a phenomenon ...
Sep 06, 2011 |
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