News tagged with pressure
Cellular secrets of plant fatty acid production understood; discovery could boost bioeconomy
(Phys.org) -- Research groups from Iowa State University and the Salk Institute for Biological Studies have uncovered the function of three plant proteins, a discovery that could help plant scientists boost ...
May 14, 2012 |
5 / 5 (3) |
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US drivers see texting risks but still do it: survey
Most young US drivers believe that texting and phone use at the wheel is dangerous, but many do it anyway, a survey showed Tuesday.
May 08, 2012 |
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Image: Dream Chaser buffet wind tunnel model
(Phys.org) -- The Dream Chaser model with its Atlas V launch vehicle is undergoing final preparations at the Aerospace Composite Model Development Section's workshop for buffet tests at the Transonic Dynamics ...
Space & Earth / Space Exploration
May 08, 2012 |
5 / 5 (3) |
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Greenland may be slip-sliding away due to surface lake melt: study
Like snow sliding off a roof on a sunny day, the Greenland Ice Sheet may be sliding faster into the ocean due to massive releases of meltwater from surface lakes, according to a new study by the University ...
Space & Earth / Earth Sciences
Apr 16, 2012 |
4.5 / 5 (15) |
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Probing hydrogen under extreme conditions
(Phys.org) -- How hydrogen--the most abundant element in the cosmos--responds to extremes of pressure and temperature is one of the major challenges in modern physical science. Moreover, knowledge gleaned ...
Apr 13, 2012 |
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Micromechanical mirror performs under pressure... of light
(Phys.org) -- A team of scientists from PML's Quantum Measurement Division has designed and tested a novel device that may lead to substantial progress in the new and fast-moving field of optomechanics.
Apr 06, 2012 |
4.3 / 5 (3) |
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Simulation software optimizes networks
By the year 2020, thousands of kilometers of new grids will be operating in Germany to permit even more extensive use of power from renewable sources. However, these new "smart grids" also come with increased complexity, ...
Apr 05, 2012 |
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Researchers theorize cold compression of graphite results in new superhard carbon allotropes
(PhysOrg.com) -- Researchers in China have used math calculations to predict that under cold compression, two new carbon allotropes may be formed. In their paper pre-published on arXiv, the team describes how th ...
Nanotechnology / Nanomaterials
Mar 30, 2012 |
4.6 / 5 (5) |
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Nanowires have superior electrical, mechanical properties and can be put to good use in pressure sensors
Miniaturized pressure sensors are widely used in mechanical and biomedical applications, for example, in gauging fuel pressure in cars or in monitoring blood pressure in patients. Woo-Tae Park and co-workers ...
Nanotechnology / Nanomaterials
Mar 29, 2012 |
5 / 5 (1) |
1
Fossil raindrop impressions imply greenhouse gases loaded early Earth's atmosphere
In ancient Earth history, the sun burned as much as 30 percent dimmer than it does now. Theoretically that should have encased the planet in ice, but there is geologic evidence for rivers and ocean sediments ...
Space & Earth / Earth Sciences
Mar 28, 2012 |
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4
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High pressure kills pathogens, maintains green onions' taste and color
Green onions cause about five percent of outbreaks of food poisoning from produce, worldwide. Now a team of researchers from the University of Delaware, Newark, shows that high pressure treatment of green onions can kill ...
Mar 20, 2012 |
5 / 5 (1) |
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In certain jobs supervisor support can reduce absenteeism
A supportive supervisor can keep employees in certain hazardous jobs from being absent even when co-workers think it's all right to miss work, according to new research published by the American Psychological Association.
Other Sciences / Social Sciences
Mar 20, 2012 |
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Nerve gas litmus test could sense airborne chemical weapons
(PhysOrg.com) -- Nerve gases are colorless, odorless, tasteless and deadly. While today's soldiers carry masks and other protective gear, they don't have reliable ways of knowing when they need them in time. ...
Mar 13, 2012 |
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Effects of flooding on Cairo, Ill.
When faced with a choice between a deluge or a controlled deluge in May 2011 that would protect the city of Cairo, Illinois, the U.S. Army Corps of Engineers chose the latter by ordering an intentional breach ...
Mar 09, 2012 |
4 / 5 (1) |
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Scientists detect seismic signals from tornado
An Indiana University geophysical experiment detected unusual seismic signals associated with tornadoes that struck regions across the Midwest last week -- information that may have value for meteorologists studying the atmospheric ...
Space & Earth / Earth Sciences
Mar 08, 2012 |
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Pressure
Pressure (symbol: p or P) is the force per unit area applied in a direction perpendicular to the surface of an object. Gauge pressure is the pressure relative to the local atmospheric or ambient pressure.
For more information about Pressure, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
