News tagged with electric signal
Why the brain is more reluctant to function as we age
New findings, led by neuroscientists at the University of Bristol and published this week in the journal Neurobiology of Aging, reveal a novel mechanism through which the brain may become more reluctant to function as we ...
Medicine & Health / Neuroscience
Feb 01, 2012 |
3.9 / 5 (7) |
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Ultra-fast photodetector and terahertz generator
Photodetectors made from graphene can process and conduct light signals as well as electric signals extremely fast. Within picoseconds the optical stimulation of graphene generates a photocurrent. Until now, ...
Jan 31, 2012 |
5 / 5 (9) |
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Rap music powers rhythmic action of medical sensor
(PhysOrg.com) -- The driving bass rhythm of rap music can be harnessed to power a new type of miniature medical sensor designed to be implanted in the body.
Jan 26, 2012 |
4.2 / 5 (5) |
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JQI cool nano loudspeakers could makes for better MRIs, quantum computers
(PhysOrg.com) -- A team of physicists from the Joint Quantum Institute (JQI), the Neils Bohr Institute in Copenhagen, Denmark, and Harvard University has developed a theory describing how to both detect weak ...
Jan 25, 2012 |
4.8 / 5 (4) |
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Researchers devise new means for creating elastic conductors
Researchers from North Carolina State University have developed a new method for creating elastic conductors made of carbon nanotubes, which will contribute to large-scale production of the material for use ...
Nanotechnology / Nanomaterials
Jan 24, 2012 |
5 / 5 (2) |
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British pharmacy chain announces roll-out of new smart pills loaded with microchip
(Medical Xpress) -- A new pharmaceutical program that many Britons might find literally hard to swallow, has been announced. Pharmacy chain Lloydspharmacy has partnered with American technology firm Proteus ...
Medicine & Health / Medications
Jan 18, 2012 |
4.1 / 5 (13) |
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Flaky graphene makes reliable chemical sensors
Scientists from the University of Illinois at Urbana-Champaign and the company Dioxide Materials have demonstrated that randomly stacked graphene flakes can make an effective chemical sensor.
Nanotechnology / Nanomaterials
Jan 17, 2012 |
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Paddlefish sensors tuned to detect signals from zooplankton prey
Neurons fire in a synchronized bursting pattern in response to robust signals indicating nearby food.
Jan 05, 2012 |
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Mutation in gene that's critical for human development linked to arrhythmia
Arrhythmia is a potentially life-threatening problem with the rate or rhythm of the heartbeat, causing it to go too fast, too slow or to beat irregularly. Arrhythmia affects millions of people worldwide.
Dec 27, 2011 |
5 / 5 (3) |
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55": LG announces world's largest OLED TV panel
LG Display announced that it has developed the world's largest 55-inch OLED (Organic Light Emitting Diodes) TV panel. The 55-inch panel is a significant step forward in the popularization of OLED TVs and demonstrates ...
Electronics / Consumer & Gadgets
Dec 27, 2011 |
4.4 / 5 (16) |
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Biocompatible graphene transistor array reads cellular signals
Researchers have demonstrated, for the first time, a graphene-based transistor array that is compatible with living biological cells and capable of recording the electrical signals they generate. This proof-of-concept ...
Nanotechnology / Nanomaterials
Nov 30, 2011 |
5 / 5 (10) |
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Researcher creates neurons that light up as they fire
In a scientific first that potentially could shed new light on how signals travel in the brain, how learning alters neural pathways, and might lead to speedier drug development, scientists at Harvard have created genetically-altered ...
Medicine & Health / Neuroscience
Nov 29, 2011 |
4.8 / 5 (5) |
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Microfabrication breakthrough could set piezoelectric material applications in motion
(PhysOrg.com) -- Integrating a complex, single-crystal material with "giant" piezoelectric properties onto silicon, University of Wisconsin-Madison engineers and physicists can fabricate low-voltage, near-nanoscale ...
Nanotechnology / Nanomaterials
Nov 17, 2011 |
5 / 5 (5) |
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New biosensor benefits from melding of carbon nanotubes, DNA
Purdue University scientists have developed a method for stacking synthetic DNA and carbon nanotubes onto a biosensor electrode, a development that may lead to more accurate measurements for research related to diabetes and ...
Nanotechnology / Nanomaterials
Nov 15, 2011 |
not rated yet |
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Switching light on and off - with photons
(PhysOrg.com) -- Cornell researchers have demonstrated that the passage of a light beam through an optical fiber can be controlled by just a few photons of another light beam.
Nov 09, 2011 |
5 / 5 (5) |
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