News tagged with electrical 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 ...

Physics / General Physics

created May 08, 2012 | popularity 4.1 / 5 (16) | comments 8 | with audio podcast feature

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 ...

Physics / Condensed Matter

created Mar 01, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

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, ...

Physics / General Physics

created Jan 12, 2012 | popularity 4.7 / 5 (21) | comments 24 | with audio podcast

New material promises faster electronics

The novel material graphene makes faster electronics possible. Scientists at the Faculty of Electrical Engineering and Information Technology at the Vienna University of Technology (TU Vienna) developed light-detectors ...

Nanotechnology / Nanomaterials

created Jun 28, 2011 | popularity 5 / 5 (3) | comments 0

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 ...

Biology / Biotechnology

created Jun 24, 2011 | popularity 4.9 / 5 (9) | comments 0 | with audio podcast report

Stomach pacemaker could help obese lose weight

(AP) -- Patrick Hetzner tried diets and exercise, just about everything short of stomach stapling to lose weight. Nothing worked. Five months ago he tried something new: a stomach pacemaker that curbed his ...

Medicine & Health / Health

created Mar 03, 2011 | popularity not rated yet | comments 0

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

created Feb 17, 2011 | popularity not rated yet | comments 0

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 ...

Physics / General Physics

created Jan 24, 2011 | popularity 4.6 / 5 (7) | comments 0 | with audio podcast

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

created Nov 16, 2010 | popularity 4 / 5 (1) | comments 0 | with audio podcast

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

created Sep 30, 2010 | popularity 5 / 5 (1) | comments 0 | with audio podcast

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 ...

Physics / Condensed Matter

created Sep 14, 2010 | popularity 3.2 / 5 (5) | comments 0 | with audio podcast

Researchers work to protect, restore vulnerable networks

(PhysOrg.com) -- Alon Efrat, a University of Arizona associate professor of computer science, is working with a team of researchers on a project intended to help prevent a telecommunications meltdown in ...

Technology / Computer Sciences

created Aug 24, 2010 | popularity 1 / 5 (1) | comments 0

Visually-guided laser may be viable treatment for abnormal heartbeat

(PhysOrg.com) -- A new treatment known as a visually-guided laser-balloon catheter successfully interrupted abnormal electrical pulses in patients and pigs with intermittent, irregular heartbeats, in a study reported in Circulation: Ar ...

Medicine & Health / Diseases, Conditions, Syndromes

created May 25, 2010 | popularity not rated yet | comments 0

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

created Mar 16, 2010 | popularity 4.4 / 5 (16) | comments 9

Test of implantable cardioverter defibrillator linked to cognitive problems

A standard test of the implantable cardioverter defibrillator (ICD) is linked to significant thought-processing problems that improve for most patients within a year after the device is inserted, according to research reported ...

Medicine & Health / Diseases, Conditions, Syndromes

created Mar 02, 2010 | popularity 4 / 5 (1) | comments 0