News tagged with high frequency
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Search results for high frequency
Special ultrasound accurately identifies skin cancer
Dec 01, 2009 |
4 / 5 (1) |
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High-frequency ultrasound with elastography can help differentiate between cancerous and benign skin conditions, according to a study presented today at the annual meeting of the Radiological Society of North America (RSNA).
Oceans becoming noisier thanks to pollution -- report
Dec 20, 2009 |
4 / 5 (4) |
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The world's oceans are becoming noisier thanks to pollution, with potentially harmful effects for whales, dolphins and other marine life, US scientists said in a study published Sunday.
Fujitsu Announces World's First Operation of 100W-Class Amplifiers Employing Carbon Nanotubes
Dec 11, 2009 |
4.8 / 5 (6) |
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Fujitsu Laboratories today announced that, using carbon nanotubes as heat-dissipation material in amplifier transistors, Fujitsu has become the first to achieve the successful operation of high-frequency, ...
Blue whales singing with deeper voices
Dec 08, 2009 |
4.3 / 5 (7) |
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(PhysOrg.com) -- Blue whales, the largest animals on earth, are singing with deeper voices every year, but scientists are unsure of the reason.
Researchers develop revolutionary technology for manufacturing micro-scale devices
Dec 22, 2009 |
4 / 5 (3) |
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(PhysOrg.com) -- Cranfield University has developed new technology that could significantly reduce the manufacturing costs of complex devices such as electronic noses that sniff out explosives and dangerous chemicals and ...
Biology, training and profit sharing make best traders
Nov 25, 2009 |
4.5 / 5 (2) |
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(PhysOrg.com) -- Cambridge researchers have identified a group of traders consistently able to outperform the market, even during the credit crisis.
Tiny whispering gallery: Sensor can detect a single nanoparticle and take its measurement
Dec 18, 2009 |
4.7 / 5 (16) |
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(PhysOrg.com) -- Nanotechnology has already made it to the shelves of your local pharmacy and grocery: nanoparticles are found in anti-odor socks, makeup, makeup remover, sunscreen, anti-graffiti paint, home ...
Treating cluster headaches with high-flow oxygen appears effective
Medicine & Health / Neuroscience
Dec 08, 2009 |
not rated yet |
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Patients with a cluster headache, which is characterized by bouts of excruciating pain usually near the eye or temple, were more likely to report being pain-free within 15 minutes of treatment with high-flow oxygen than patients ...
Turning metal black more than just a novelty
Dec 08, 2009 |
4.6 / 5 (20) |
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(PhysOrg.com) -- University of Rochester optics professor Chunlei Guo made headlines in the past couple of years when he changed the color of everyday metals by scouring their surfaces with precise, high-intensity laser bursts.
Machine Translates Thoughts into Speech in Real Time
Medicine & Health / Neuroscience
Dec 21, 2009 |
4.8 / 5 (54) |
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(PhysOrg.com) -- By implanting an electrode into the brain of a person with locked-in syndrome, scientists have demonstrated how to wirelessly transmit neural signals to a speech synthesizer. The "thought-to-speech" ...
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