News tagged with temperature gradient
Achieving optimal efficiencies for nanoengines
Apr 29, 2009 |
3.9 / 5 (9) |
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(PhysOrg.com) -- "There's a lot of recent interest in understanding the functioning and optimal performance of small systems," Katja Lindenberg tells PhysOrg.com. Lindenberg is a scientist in the Department of Chemistry and Bi ...
Search results for temperature gradient
Temperatures of sea water fringing South Pole were tropical 50 million years ago
Space & Earth / Earth Sciences
Oct 08, 2009 |
4.2 / 5 (13) |
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(PhysOrg.com) -- The temperature difference between equatorial and polar sea waters was minimal during the extremely warm 'Greenhouse world' 60 to 50 million years ago. This is the main conclusion drawn by ...
Driving water droplets uphill
Apr 02, 2008 |
4.5 / 5 (4) |
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Lab-on-a-chip technology could soon simplify a host of applications, thanks to a new way to move droplets up vertical surfaces on flexible chips.
Super cool atom thermometer
Dec 07, 2009 |
5 / 5 (2) |
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As physicists strive to cool atoms down to ever more frigid temperatures, they face the daunting task of developing new, reliable ways of measuring these extreme lows. Now a team of physicists has devised ...
Fluid theory confirmed by Foton spacecraft
Sep 24, 2007 |
4.2 / 5 (22) |
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In scientific research, there is great satisfaction when theoretical work is eventually supported by experimentation. Such was the case this week for a team of Italian and US scientists when they received ...
Some like it hot: Deep-sea worms seek temperatures higher than those preferred by any other known species
Apr 20, 2006 |
4.6 / 5 (12) |
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Scientists have found that worms dwelling at deep-sea hydrothermal vents opt for temperatures of 45-55 degrees Celsius (113-131 degrees Fahrenheit) when provided a choice of conditions, giving them the highest ...
American-made superconducting radiofrequency cavity makes the grade
Sep 17, 2009 |
4.5 / 5 (4) |
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The U.S. Department of Energy's Thomas Jefferson National Accelerator Facility marked a step forward in the field of advanced particle accelerator technology with the successful test of the first U.S.-built superconducting ...
OSU Scientist Uses Fiber Optics to Measure Water and Air
Space & Earth / Earth Sciences
Jun 09, 2008 |
5 / 5 (3) |
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Scientists at Oregon State University are using fiber optics to study the temperature of water, the flow of air, and the dynamics of snow melt.
'Phonon Hall Effect' Observed
Physics /
Oct 23, 2005 |
3.5 / 5 (12) |
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What effect do magnetic fields have on uncharged particles? Their effect on charged particles is familiar to every student of physics or electrical engineering. A common example is the Hall Effect, a basic phenomenon of ...
Microbes, by latitudes and altitudes, shed new light on life's diversity
Biology /
Aug 11, 2008 |
4.6 / 5 (8) |
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Microbial biologists, including the University of Oregon's Jessica L. Green, may not have Jimmy Buffett's music from 1977 in mind, but they are changing attitudes about evolutionary diversity on Earth, from ...
Electricity from the exhaust pipe
Jun 03, 2008 |
4.3 / 5 (39) |
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Researchers are working on a thermoelectric generator that converts the heat from car exhaust fumes into electricity. The module feeds the energy into the car's electronic systems. This cuts fuel consumption and helps reduce ...
List of search results for temperature gradient
