News tagged with reflected signal
LIDAR system offers peerless precision in remote measurements
May 24, 2009 |
5 / 5 (8) |
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By combining the best of two different distance measurement approaches with a super-accurate technology called an optical frequency comb, researchers at the National Institute of Standards and Technology have built a laser ...
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Sun and moon trigger deep tremors on San Andreas Fault
Space & Earth / Earth Sciences
22 hours ago |
4.5 / 5 (2) |
1
The faint tug of the sun and moon on the San Andreas Fault stimulates tremors deep underground, suggesting that the rock 15 miles below is lubricated with highly pressurized water that allows the rock to slip with little ...
Scientists discover how the brain encodes memories at a cellular level
Dec 23, 2009 |
5 / 5 (15) |
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Scientists at UC Santa Barbara have made a major discovery in how the brain encodes memories. The finding, published in the December 24 issue of the journal Neuron, could eventually lead to the development ...
Feds mull regulating drugs in water
Dec 22, 2009 |
5 / 5 (1) |
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(AP) -- Federal regulators under President Barack Obama have sharply shifted course on long-standing policy toward pharmaceutical residues in the nation's drinking water, taking a critical first step toward regulating some ...
How do you improve mammogram accuracy? Add noise
Technology / Computer Sciences
Dec 22, 2009 |
5 / 5 (1) |
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Members of a Syracuse University research team have shown that an obscure phenomenon called stochastic resonance (SR) can improve the clarity of signals in systems such as radar, sonar and even radiography, used in medical ...
Dispatcher-assisted bystander CPR best choice for possible cardiac arrest signs
Dec 22, 2009 |
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Dispatchers should assertively give cardiopulmonary resuscitation (CPR) instructions to bystanders who suspect someone is in cardiac arrest because the benefits from correctly recommending CPR for someone who needs it greatly ...
Researchers are on the path to creating nano-MRI images
Dec 22, 2009 |
4.7 / 5 (6) |
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(PhysOrg.com) -- Cornell researchers are devising methods to detect the magnetic fields of individual electrons and atomic nuclei, which they hope to use to make a nanoscale version of magnetic resonance imaging.
'Invisible bracelet' for emergency health alerts?
Electronics / Consumer & Gadgets
Dec 21, 2009 |
4.3 / 5 (3) |
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(AP) -- Emergency health alerts for the Facebook generation? The nation's ambulance crews are pushing a virtual medical ID system to rapidly learn a patient's health history during a crisis - and which can immediately text-message ...
Smarter cars are gaining traction (w/ Video)
Dec 21, 2009 |
5 / 5 (2) |
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(PhysOrg.com) -- Lives can depend on a vehicle's moment-by-moment traction. New European technology promises to make cars as good as experienced, alert drivers at sensing and adjusting to wet, snowy or icy ...
Silicon technology offers extended X-ray vision of high-energy cosmos
Space & Earth / Space Exploration
Dec 21, 2009 |
5 / 5 (3) |
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(PhysOrg.com) -- As elements of the integrated circuits running our computers, phones and electronics, silicon wafers are everywhere. An ESA-led effort is establishing an out-of-this-world use for these ...
Egg Processing Plant Carts Can Harbor Bacteria
Dec 21, 2009 |
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(PhysOrg.com) -- Plywood-shelved carts that are used to transport eggs into processing plants can harbor Enterobacteriaceae, according to a microbial survey conducted by Agricultural Research Service (ARS) ...
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