News tagged with detector
Early Universe was a liquid: First results from the Large Hadron Collider's ALICE experiment
(PhysOrg.com) -- In an experiment to collide lead nuclei together at CERN's Large Hadron Collider physicists from the ALICE detector team including researchers from the University of Birmingham have discovered ...
Nov 23, 2010 |
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Physicists Explain How Human Eyes Can Detect Quantum Effects
(PhysOrg.com) -- By greatly amplifying one photon from an entangled photon pair, physicists have theoretically shown that human eyes can be used as detectors to observe quantum effects. Usually, detecting ...
Sep 29, 2009 |
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Hunt for dark matter closes in at Large Hadron Collider
(PhysOrg.com) -- Physicists are closer than ever to finding the source of the Universe's mysterious dark matter, following a better than expected year of research at the Compact Muon Solenoid (CMS) particle ...
Jan 26, 2011 |
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Scientists see evidence that rules of particle physics may need a rewrite
(PhysOrg.com) -- Two separate collaborations involving Indiana University scientists have reported new results suggesting unexpected differences between neutrinos and their antiparticle brethren. These results ...
Jun 24, 2010 |
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Particles are back in the LHC
During the last weekend (23-25 October) particles have once again entered the LHC after the one-year break that followed the incident of September 2008.
Oct 26, 2009 |
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Super-Sensors to Measure 'Signature' of Inflationary Universe (w/Video)
What happened in the first trillionth of a trillionth of a trillionth of a second after the Big Bang? Super-sensitive microwave detectors, built at the National Institute of Standards and Technology, may soon ...
May 03, 2009 |
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Restored machine to explore mysteries of Big Bang
(AP) -- Scientists are preparing the world's largest atom smasher to explore the depths of matter after successfully restarting the $10 billion machine following more than a year of repairs.
Nov 21, 2009 |
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New Limits on the Origin of Dark Matter
(PhysOrg.com) -- Determining the identity of dark matter, the mysterious stuff thought to make up the vast majority of matter in the universe, is one of the most fundamental challenges facing modern physics. Through theory ...
Jan 27, 2009 |
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Blocked holes can enhance rather than stop light going through
Conventional wisdom would say that blocking a hole would prevent light from going through it, but Princeton University engineers have discovered the opposite to be true. A research team has found that placing ...
Nov 22, 2011 |
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The First T2K Neutrino Event Observed At Super-Kamiokande
(PhysOrg.com) -- Physicists from the Japanese-led multinational T2K collaboration announced today that they had made the first detection of a neutrino which had travelled all the way under Japan from their ...
Feb 25, 2010 |
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IceCube neutrino observatory nears completion
In December 2010, IceCube -- the world's first kilometer-scale neutrino observatory, which is located beneath the Antarctic ice -- will finally be completed after two decades of planning. In an article in ...
Aug 31, 2010 |
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Trusting people make better lie detectors
Trusting others may not make you a fool or a Pollyanna, according to a study in the current Social Psychological and Personality Science. Instead it can be a sign that you're smart.
Aug 13, 2010 |
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Neutrino mass: 'Ghost particle' sized up by cosmologists
(PhysOrg.com) -- Cosmologists at UCL (University College London) are a step closer to determining the mass of the elusive neutrino particle, not by using a giant particle detector, but by gazing up into space.
Jun 22, 2010 |
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Nanotech discovery could lead to breakthrough in infrared satellite imaging technology
Researchers from Rensselaer Polytechnic Institute have developed a new nanotechnology-based "microlens" that uses gold to boost the strength of infrared imaging and could lead to a new generation of ultra-powerful ...
May 18, 2010 |
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Before God particle, scientists must learn soul of new machine
After a huge success in first testing, followed by a very public meltdown last September, the Large Hadron Collider may be ready for action again as early as June.
May 26, 2009 |
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Sensor
A sensor (also called detector) is a device that measures a physical quantity and converts it into a signal which can be read by an observer or by an instrument. For example, a mercury-in-glass thermometer converts the measured temperature into expansion and contraction of a liquid which can be read on a calibrated glass tube. A thermocouple converts temperature to an output voltage which can be read by a voltmeter. For accuracy, most sensors are calibrated against known standards.
For more information about Sensor, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
