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) |
3
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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 |
5 / 5 (4) |
4
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Physicists surprised by disappearing and reappearing superconductivity in iron selenium chalcogenides
(PhysOrg.com) -- Superconductivity is a rare physical state in which matter is able to conduct electricity -- maintain a flow of electrons -- without any resistance. This phenomenon can only be found in certain ...
Feb 22, 2012 |
5 / 5 (6) |
4
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Scientists predict an out-of-this-world kind of ice
(PhysOrg.com) -- Cornell scientists are boldly going where no water molecule has gone before -- that is, when it comes to pressures found nowhere on Earth.
Jan 17, 2012 |
4.3 / 5 (19) |
3
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Study resolves century-long debate over how to describe electromagnetic momentum density in matter
(PhysOrg.com) -- Researchers from the NIST Center for Nanoscale Science and Technology and the University of British Columbia have shown that the interaction between a light pulse and a light-absorbing object, including the ...
Dec 29, 2011 |
4.4 / 5 (14) |
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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) |
45
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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) |
10
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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) |
2
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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 |
not rated yet |
4
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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 |
5 / 5 (3) |
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A bad day on Venus gets even worse
Contrary to its alluring name, Venus is the planet from hell, with an atmosphere so hot, toxic and heavy that any visitor would risk being simultaneously melted, suffocated and crushed.
Space & Earth / Space Exploration
Feb 29, 2012 |
5 / 5 (6) |
3
Mother of pearl tells a tale of ocean temperature, depth
Nacre -- or mother of pearl, scientists and artisans know, is one of nature's amazing utilitarian materials.
Feb 16, 2012 |
3.6 / 5 (5) |
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Rap music powers rhythmic action of medical sensor
(PhysOrg.com) -- The driving bass rhythm of rap music can be harnessed to power a new type of miniature medical sensor designed to be implanted in the body.
Jan 26, 2012 |
4.2 / 5 (5) |
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Mighty mesh: Extracellular matrix identified as source of spreading in biofilms
New research at Harvard explains how bacterial biofilms expand to form slimy mats on teeth, pipes, surgical instruments, and crops.
Jan 23, 2012 |
5 / 5 (1) |
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Part of Earth's mantle shown to be conductive under high pressure and temperatures
(PhysOrg.com) -- Scientists studying the rotation of the Earth have long known that our planet doesn't have a perfect spin. Most believe this is due to the different types of materials that make up the core, mantle and crust, ...
Jan 20, 2012 |
4.9 / 5 (9) |
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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.
