Search results for heat:
Ecosystem, vegetation affect intensity of urban heat island effect
Space & Earth / Earth Sciences
2 hours ago |
not rated yet |
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NASA researchers studying urban landscapes have found that the intensity of the "heat island" created by a city depends on the ecosystem it replaced and on the regional climate. Urban areas developed in arid and semi-arid ...
Scientists discover mechanism behind superinsulation
Dec 14, 2009 |
5 / 5 (10) |
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(PhysOrg.com) -- Scientists at the U.S. Department of Energy's Argonne National Laboratory have discovered the microscopic mechanism behind the phenomenon of superinsulation, the ability of certain materials ...
A unique geography -- and soot and dust -- conspire against Himalayan glaciers
Space & Earth / Earth Sciences
13 hours ago |
3 / 5 (1) |
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"So many disparate elements, both natural and man-made, converge in the Himalayas," said William Lau, a climatologist from NASA's Goddard Space Flight Center in Greenbelt, Md. "There's no other place in the ...
Tracking new cancer-killing particles with MRI
Nanotechnology / Nanomaterials
Dec 14, 2009 |
5 / 5 (4) |
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Researchers at Rice University and Baylor College of Medicine (BCM) have created a single nanoparticle that can be tracked in real time with MRI as it homes in on cancer cells, tags them with a fluorescent ...
New Study Turns Up the Heat on Soot's Role in Himalayan Warming (w/ Video)
Space & Earth / Earth Sciences
Dec 14, 2009 |
5 / 5 (2) |
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(PhysOrg.com) -- Soot from fire in an unventilated fireplace wafts into a home and settles on the surfaces of floors and furniture. But with a quick fix to the chimney flue and some dusting, it bears no impact ...
Icy moons of Saturn and Jupiter may have conditions needed for life
1hour ago |
4.5 / 5 (4) |
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(PhysOrg.com) -- Scientists once thought that life could originate only within a solar system's "habitable zone," where a planet would be neither too hot nor too cold for liquid water to exist on its surface. ...
Global warming could significantly impact US wine and corn production, scientists say
Dec 14, 2009 |
3.3 / 5 (6) |
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When it comes to nature, timing is everything. Spring flowers depend on birds and insects for pollination. But if spring-like weather arrives earlier than usual, and flowers bloom and wither before the pollinators appear, ...
Born in beauty: Proplyds in the Orion Nebula (w/ Video)
Dec 14, 2009 |
4.8 / 5 (9) |
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(PhysOrg.com) -- A collection of 30 never-before-released images of embryonic planetary systems in the Orion Nebula are the highlight of the longest single Hubble Space Telescope project ever dedicated to ...
Interactive animations give science students a boost
Other Sciences / Social Sciences
Dec 14, 2009 |
not rated yet |
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For a generation of students raised and nurtured at the computer keyboard, it seems like a no-brainer that computer-assisted learning would have a prominent role in the college science classroom.
Miracle light: Can lasers solve the energy crisis?
1hour ago |
4.8 / 5 (5) |
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Next year will mark the 50th birthday of the laser, one of the most productive and widely used mega-inventions of the last century. Scientists hope that 2010 also will see the launch of laser technology's greatest challenge: ...
New results from a terra-ific decade in orbit
Space & Earth / Earth Sciences
3 hours ago |
5 / 5 (1) |
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December 18, 2009, marks the tenth year since the launch of Terra, one of NASA's "flagship" Earth observing satellites. But the decade is more than just a mechanical milestone. With each additional day and ...
Physicists lay the groundwork for cooler, faster computing
Dec 14, 2009 |
4.9 / 5 (18) |
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University of Toronto quantum optics researchers Sajeev John and Xun Ma have discovered new behaviours of light within photonic crystals that could lead to faster optical information processing and compact computers that ...
New structure could produce efficient semiconductor laser sources
Dec 14, 2009 |
4.7 / 5 (3) |
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(PhysOrg.com) -- University of Wisconsin-Madison researchers have achieved a nanoscale laser structure they anticipate will produce semiconductor lasers in the next two years that are more than twice as efficient ...
Pollution alters isolated thunderstorms
Space & Earth / Earth Sciences
5 hours ago |
3.7 / 5 (3) |
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New climate research reveals how wind shear -- the same atmospheric conditions that cause bumpy airplane rides -- affects how pollution contributes to isolated thunderstorm clouds. Under strong wind shear ...
Irrigation decreases, urbanization increases monsoon rains
Space & Earth / Earth Sciences
8 hours ago |
not rated yet |
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A Purdue University scientist has shown man-made changes to the landscape have affected Indian monsoon rains, suggesting that land-use decisions play an important role in climate change.
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