News tagged with electrical pulses
Device connected to tongue designed to help blind perceive images
Dec 15, 2009 |
4.7 / 5 (6) |
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An experimental device that uses the tongue instead of the eyes to "see" could be on the market next year, and a blind Fresno, Calif., teen hopes to be among the first to take one home.
A Single Neuron Can Change the Activity of the Whole Brain
Medicine & Health / Neuroscience
May 01, 2009 |
4.8 / 5 (16) |
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(PhysOrg.com) -- The pulsing of a single neuron can switch a brain’s waves from the equivalent of a big ocean swell to ripples on a pond, according to new research from Howard Hughes Medical Institute investigator ...
The sweet spot? Doctors test targets for Parkinson surgery
Medicine & Health / Neuroscience
Mar 13, 2009 |
5 / 5 (1) |
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Doctors may be able to tailor a specialized form of brain surgery to more closely match the needs of Parkinson patients, according to results from the first large-scale effort to compare the two current target areas of deep ...
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Laser triggers electrical activity in thunderstorm for the first time
Apr 14, 2008 |
4.6 / 5 (42) |
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A team of European scientists has deliberately triggered electrical activity in thunderclouds for the first time, according to a new paper in the latest issue of Optics Express, the Optical Society’s (OSA) open-access journa ...
Light instead of current: Activation of neurons with light by means of semiconductor photoelectrodes
Feb 20, 2009 |
4.6 / 5 (5) |
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(PhysOrg.com) -- Understanding the mechanisms by which the brain functions is one of the most complex challenges in science. One important aspect is the electrical conduction of stimuli in nerve cells. In order to study neuronal ...
Researchers work toward ending cartilage loss
Jun 03, 2008 |
4.5 / 5 (11) |
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Scientists have long wrestled with how to aid those who suffer cartilage damage and loss. One popular way is to inject an artificial gel that can imitate cartilage's natural ability to act as the body's shock absorber. But ...
Fiber-optic booster on a chip
Feb 20, 2008 |
4.6 / 5 (35) |
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More and more of our communications -- from text messages to high-definition television -- travel over optical fiber. At last count the United States was crisscrossed by more than 80 million miles of it, with ...
Behind closed eyes
Feb 04, 2009 |
4 / 5 (3) |
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Even when our eyes are closed, the visual centers in our brain are humming with activity. Weizmann Institute scientists and others have shown in the last few years that the magnitude of sense-related activity in a brain that's ...
Purdue 'milestone' a step toward advanced sensors, communications
Aug 01, 2007 |
4.6 / 5 (16) |
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Engineers at Purdue University have shown how to finely control the spectral properties of ultrafast light pulses, a step toward creating advanced sensors, more powerful communications technologies and more ...
Laser surgery probe targets individual cancer cells
Jun 24, 2008 |
4.7 / 5 (3) |
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Mechanical engineering Assistant Professor Adela Ben-Yakar at The University of Texas at Austin has developed a laser "microscalpel" that destroys a single cell while leaving nearby cells intact, which could improve the precision ...
Researchers produce firsts with bursts of light
Jul 24, 2007 |
4.8 / 5 (26) |
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Researchers at the U.S. Department of Energy's Brookhaven National Laboratory have generated extremely short pulses of light that are the strongest of their type ever produced and could prove invaluable in probing the ultra-fast ...
Researchers build world's first mode-locked silicon evanescent laser
Aug 21, 2007 |
4.6 / 5 (27) |
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Researchers at UC Santa Barbara have announced they have built the world's first mode-locked silicon evanescent laser, a significant step toward combining lasers and other key optical components with the existing electronic ...
Portable device effective in zapping away migraine pain
Jun 26, 2008 |
4.4 / 5 (13) |
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novel electronic device designed to "zap" away migraine pain before it starts has proven to be the next form of relief for those suffering from the debilitating disease, according to a study conducted at The Ohio State University ...
List of search results for electrical pulses
