News tagged with hot
Swiss team unveil pioneering solar plane
Jun 26, 2009 |
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Round-the-world balloooning pioneer Bertrand Piccard unveiled his solar-powered aircraft in Switzerland on Friday, ready for another trend-setting circumnavigation of the globe powered solely by the sun.
Yellowstone's ancient supervolcano: Only lukewarm?
Space & Earth / Earth Sciences
Aug 27, 2008 |
4.4 / 5 (40) |
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The geysers of Yellowstone National Park owe their eistence to the "Yellowstone hotspot"--a region of molten rock buried deep beneath Yellowstone, geologists have found. But how hot is this "hotspot," and ...
Los Alamos observatory fingers cosmic ray 'hot spots'
Nov 24, 2008 |
4.7 / 5 (29) |
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A Los Alamos National Laboratory cosmic-ray observatory has seen for the first time two distinct hot spots that appear to be bombarding Earth with an excess of cosmic rays. The research calls into question ...
Cookie cutter in the sky: Seeing the shape of material around black holes for first time
Dec 16, 2008 |
4.6 / 5 (27) |
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Black holes can now be thought of as donut holes. The shape of material around black holes has been seen for the first time: an analysis of over 200 active galactic nuclei—cores of galaxies powered by disks ...
Hot Electrons Could Double Solar Cell Power Efficiency
Dec 18, 2009 |
4.3 / 5 (15) |
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Scientists have experimentally verified a theory suggesting that hot electrons could double the output of solar cells. The researchers, from Boston College, have built solar cells that successfully use hot ...
Trouble quitting?: New smoking study may reveal why
Medicine & Health / Psychology & Psychiatry
Aug 26, 2008 |
3.7 / 5 (15) |
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A new study from researchers at the University of Pittsburgh and Carnegie Mellon University sheds light on why smokers' intentions to quit "cold turkey" often fizzle out within days or even hours.
Hawaiian hot spot has deep roots
Space & Earth / Earth Sciences
Dec 03, 2009 |
4.9 / 5 (11) |
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(PhysOrg.com) -- Hawaii may be paradise for vacationers, but for geologists it has long been a puzzle. Plate tectonic theory readily explains the existence of volcanoes at boundaries where plates split apart ...
Exoplanet atmospheres detected from Earth for the first time
Jan 14, 2009 |
4.5 / 5 (12) |
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(PhysOrg.com) -- Transiting exoplanets are routinely detected when they pass in front of their parent star as viewed from the Earth, which only happens by chance. The transit event causes a small drop in the ...
Elusive 'hot' electrons captured in ultra-thin solar cells
Dec 11, 2009 |
4.5 / 5 (12) |
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Boston College researchers have observed the "hot electron" effect in a solar cell for the first time and successfully harvested the elusive charges using ultra-thin solar cells, opening a potential avenue to improved solar ...
Getting into hot water: Solar water heating pays for itself five times over
Mar 09, 2009 |
4.1 / 5 (13) |
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An analysis of the engineering and economics for a solar water-heating system shows it to have a payback period of just two years, according to researchers in India. They report, in the International Journal of Global En ...
Water heaters put solar energy within reach
Jan 21, 2009 |
4.7 / 5 (11) |
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Andrei Mitran of Cary says he has no desire to live "off the grid." But when choosing a replacement for his 18-year-old hot water heater, the computer programmer says he decided to look into purchasing a solar unit.
Scientists Develop First Chip-Scale Thermoelectric Cooler
Feb 02, 2009 |
4.4 / 5 (11) |
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(PhysOrg.com) -- As computer chips become more powerful, they also become hotter. Nearly all the power that flows into a chip comes out of it as waste heat, and that heat hurts the performance of the chip. ...
A molecule keeps anxiety down
Aug 19, 2008 |
4.7 / 5 (9) |
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(PhysOrg.com) -- The link between emotions and experiences determines many aspects of our daily life. It allows us to recognize pretty objects or harmful situations. These links are created when nerve cells ...
Spotting the killer hot spots
Jun 26, 2008 |
4.4 / 5 (9) |
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Killer hotspots of over-heated ocean water which destroy huge areas of coral and bring starvation to birds, fish and other sea creatures can now be pinpointed, thanks to a major advance in the use of satellite technology ...
Review: Barnes & Noble reader is dual-screen mess
Electronics / Consumer & Gadgets
Dec 09, 2009 |
2.2 / 5 (18) |
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(AP) -- The e-book reading device is the gadget gift of the season. Both Sony and Barnes & Noble have sold out of their new models, and new buyers will have to wait until January for delivery. So why are ...
