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The Little Chill: Tiny wind generator to cool microchip hot spots

By generating a tiny cooling wind, a microscale silicon needle armed with a powerful electric field has demonstrated its potential as a new way to cool increasingly hot microchips.

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Keywords: little, chill, tiny, wind, generator, cool, microchip, hot, spots, spot

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1. Hot spot on Enceladus causes plumes
   12-17-2007 · EurekAlert!
   Enceladus, the tiny satellite of Saturn, is colder than ice, but data gathered by the Cassini-Huygens Mission to Saturn and Titan has detected a hot spot that could mean there is life in the old moon after all. In fact, for researchers of the outer planets, Enceladus is so hot intellectually hot, it's smokin'. The hot spot is causing plumes of ice and vapor to arise above Enceladus, says Washington University's William B. McKinnon.
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2. Hinode mission delves into solar mysteries
   12-06-2007 · EurekAlert!
   New, peer-reviewed results from the Hinode space mission ("Sunrise" in English) should help explain some long-standing mysteries of the Sun, such as the huge temperature difference between its relatively cool surface and its white-hot atmosphere, and the origins of the solar wind that blasts through the solar system and buffets planetary atmospheres. These findings appear in a special collection of 10 articles, by scientists in Japan, Europe and the United States, in the Dec. 7 issue of the journal Science.
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3. Jupiter's Little Red Spot Growing Stronger
   10-14-2006 · ScienceDaily
   The highest wind speeds in Jupiter's Little Red Spot have increased and are now equal to those in its older and larger sibling, the Great Red Spot, according to observations with NASA's Hubble Space Telescope.
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4. Odd little star has magnetic personality
   12-05-2007 · EurekAlert!
   Observations that included the Gemini Observatory show that a very low-mass star has unexpected magnetic activity and a hot spot that could cover one-half of its surface.
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5. Towards a better understanding of hot spot volcanism
   01-31-2008 · EurekAlert!
   Researchers from the IRD and the University of Chile investigated the phenomena that led to the recent activity of seven hot spots located in the central Pacific. Numerical mechanical models showed that variations in movement of the Pacific plate, generating shearing stresses within it, could facilitate the rise of magma towards the surface. This discovery, if corroborated, would indicate that the formation of certain hot spots depended on the movement of the tectonic plates.
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6. Astronomers find puzzling dwarf star with complex magnetic fields
   12-05-2007 · EurekAlert!
   Typically, little M-dwarf stars -- the most common type of star in the galaxy -- are cold, quiet, and dim. Now a team of astronomers led by Edo Berger, a Carnegie-Princeton postdoctoral fellow, found one M-dwarf that doesn't conform. It has an unusually active and complex magnetic field, stronger than our own Sun's, and a huge hot spot that covers half of its surface.
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7. New technology has dramatic chip-cooling potential for future computers
   08-13-2007 · EurekAlert!
   Researchers have demonstrated a new technology using tiny "ionic wind engines" that might dramatically improve computer chip cooling, possibly addressing a looming threat to future advances in computers and electronics.
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8. 'Hot' oxygen atoms on titanium dioxide motivated by more than just temperature
   02-08-2008 · EurekAlert!
   Catalysts typically break down an oxygen molecule into two identical atoms that behave the same. But on a titanium oxide catalyst, the two atoms of a split oxygen molecule act differently: one fills a vacant spot on the catalytic surface and the other acquires extra energy and can move away. If the finding turns out to be important to reactivity, it might also be useful in hydrogen production or to break down pollutants.
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9. High-frequency cryocooler is tiny, cold and efficient
   02-15-2007 · EurekAlert!
   A new cryogenic refrigerator has been demonstrated at NIST that operates at twice the usual frequency, achieving a long-sought combination of small size, rapid cooling, low temperatures and high efficiency. The cryocoooler could be used to chill instruments for space and military applications, and is a significant step towards even smaller, higher-frequency versions for integrated circuits and microelectromechanical (MEM) systems.
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10. European hot spots and fires identified from space
    08-29-2007 · European Space Agency (ESA)
    Hot spots across Southeastern Europe from 21 to 26 August have been detected with instruments aboard ESA satellites, which have been continuously surveying fires burning across the Earth's surface for a decade.
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