News tagged with electric pulse
Two stopped light pulses interact with each other
(Phys.org) -- For the first time, physicists have experimentally demonstrated the interaction of two motionless light pulses. Because the stopped light pulses have a long interaction time, it increases the ...
May 08, 2012 |
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The world's smallest magnetic data storage unit
Scientists from IBM and the German Center for Free-Electron Laser Science (CFEL) have built the world's smallest magnetic data storage unit. It uses just twelve atoms per bit, the basic unit of information, ...
Jan 12, 2012 |
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Blue light enables genes to turn on
(Medical Xpress) -- With a combination of synthetic biology and optogenetics, researchers from the Swiss Federal Institute for Technology published a paper in Science outlining their new technique which enable ...
Jun 24, 2011 |
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An electrical switch for magnetic current
(PhysOrg.com) -- A new mechanism will make it possible to switch data storage in the future. Researchers at the Max Planck Institute of Microstructure Physics in Halle use a short electric pulse to change ...
Mar 01, 2012 |
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A Single Neuron Can Change the Activity of the Whole Brain
(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 ...
Medicine & Health / Neuroscience
May 01, 2009 |
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Out of mind in a matter of seconds: How fast neuronal networks delete sensory information
(PhysOrg.com) -- The dynamics behind signal transmission in the brain are extremely chaotic. This conclusion has been reached by scientists from the Max Planck Institute for Dynamics and Self-Organization ...
Jan 24, 2011 |
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Lead-free piezoelectric materials of the future
Piezoelectric materials have fantastic properties: squeeze them and they generate an electrical field. And vice-versa, they contract or expand when jolted with an electrical pulse. With a name derived from the Greek word ...
Sep 14, 2010 |
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Blind British soldier 'sees' with his tongue
A British soldier left blind by a grenade in Iraq has told how his life has been transformed by ground-breaking technology that enables him to "see" with his tongue.
Technology / Hi Tech & Innovation
Mar 16, 2010 |
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Patterned pulses boost the effects of deep brain stimulation, research shows
Electrical stimulation has been used as a sort of defibrillator of consciousness, rousing a victim of traumatic brain injury to at least partial awareness, after years in a coma. The procedure, termed deep brain stimulation, ...
Medicine & Health / Neuroscience
Sep 30, 2010 |
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Siemens Sets New Record for Wireless Data Transfer using White LEDs
(PhysOrg.com) -- Researchers from Siemens have broken their own record for wirelessly transmitting data over white LED light. They’ve now achieved rates of 500 megabits per second (Mbps), shattering the previous ...
Jan 21, 2010 |
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Researchers control zebrafish heart rate with optical pacemaker
(PhysOrg.com) -- UCSF researchers have for the first time shown that an external optical pacemaker can be used in a vertebrate to control its heart rate.
Chemistry / Analytical Chemistry
Nov 16, 2010 |
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Device connected to tongue designed to help blind perceive images
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.
Technology / Hi Tech & Innovation
Dec 15, 2009 |
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Magnetic Vortex Switch Leads to Electric Pulse
(PhysOrg.com) -- Researchers at the University of Arkansas have shown that changing the chirality, or direction of spin, of a nanoscale magnetic vortex creates an electric pulse, suggesting that such a pulse might be of use ...
Apr 08, 2009 |
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De-multiplexing to the max: 640 Gbits/second
Sliced light is how we communicate now. Millions of phone calls and cable television shows per second are dispatched through fibers in the form of digital zeros and ones formed by chopping laser pulses into bits. This slicing ...
Feb 02, 2009 |
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Study shows benefits of electrical stimulation therapy for people paralyzed by spinal cord injury
A new treatment approach which uses tiny bursts of electricity to reawaken paralyzed muscles "significantly" reduced disability and improved grasping in people with incomplete spinal cord injuries, beyond ...
Medicine & Health / Neuroscience
Feb 17, 2011 |
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