News tagged with field emission
Carbon nanotube polymer nanocomposites for field emission cathodes
Nanotechnology / Nanomaterials
Apr 09, 2009 |
5 / 5 (1) |
0
A collaboration between researchers at the University of Surrey’s Advanced Technology Institute (ATI) and the School of Physics at Trinity College Dublin have discovered that you can produce a composite of carbon nanotubes ...
ESA designs its smallest ever space engine to push back against sunshine
Space & Earth / Space Exploration
Mar 10, 2009 |
4.9 / 5 (9) |
4
(PhysOrg.com) -- This month an ESA team is preparing to test the performance of the smallest yet most precisely controllable engine ever built for space, sensitive enough to counteract the force of incoming ...
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RIT astronomer mines Spitzer Space Telescope data for massive starbursts
14 hours ago |
5 / 5 (1) |
0
Understanding the evolution of galaxies is one of the biggest questions confronting astronomers today. Looking at distant astronomical objects gives scientists important clues to the origins of the Milky Way Galaxy and other ...
Cosmic rays hunted down: Physicists are closing in on the origin of cosmic rays
Dec 07, 2009 |
4.4 / 5 (11) |
3
(PhysOrg.com) -- A thin rain of charged particles continually bombards our atmosphere from outer space. The mysterious particles were first detected 100 years ago but until 10 years ago when a new type of ...
Why a short run is better than a long walk
Dec 02, 2009 |
4.6 / 5 (22) |
2
(PhysOrg.com) -- Using the latest technology, researchers are uncovering evidence of exactly how major a role activity plays in the battle to keep obesity at bay. In new report published in the British Me ...
Herschel takes a peek at the ingredients of the galaxies
Nov 27, 2009 |
4.8 / 5 (9) |
1
(PhysOrg.com) -- The European Space Agency has today released spectacular new observations from the Herschel Space Observatory, including the UK-led SPIRE instrument. Spectrometers on board all three Hershel ...
Cassini's Big Sky: The View from the Center of Our Solar System
Space & Earth / Space Exploration
Nov 20, 2009 |
4.8 / 5 (15) |
1
(PhysOrg.com) -- When NASA's Cassini spacecraft began orbiting Saturn five years ago, a dozen highly-tuned science instruments set to work surveying, sniffing, analyzing and scrutinizing the Saturnian system.
Hidden threat: Elevated pollution levels near regional airports
Nov 18, 2009 |
not rated yet |
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Scientists are reporting evidence that air pollution — a well-recognized problem at major airports — may pose an important but largely overlooked health concern for people living near smaller regional airports. ...
JQI researchers create entangled photons from quantum dots
Nov 18, 2009 |
4.3 / 5 (8) |
1
To exploit the quantum world to the fullest, a key commodity is entanglement—the spooky, distance-defying link that can form between objects such as atoms even when they are completely shielded from one another. Now, physicists ...
LCROSS Impact Finds Water on the Moon
Space & Earth / Space Exploration
Nov 13, 2009 |
4.9 / 5 (31) |
15
(PhysOrg.com) -- The argument that the moon is a dry, desolate place no longer holds water. Secrets the moon has been holding, for perhaps billions of years, are now being revealed to the delight of scientists ...
Consumption of certain fish during pregnancy associated with poorer cognitive performance
Nov 12, 2009 |
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0
Children who eat fish more than 3 times per week show a worse performance in the general cognitive, executive and perceptual-manipulative areas. Those with higher levels of exposure to mercury show a generalised delay in ...
Carbon Atmosphere Discovered on Neutron Star
Nov 04, 2009 |
4.7 / 5 (19) |
1
(PhysOrg.com) -- Evidence for a thin veil of carbon has been found on the neutron star in the Cassiopeia A supernova remnant. This discovery, made with NASA's Chandra X-ray Observatory, resolves a ten-year ...
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