News tagged with electric signal
Self-Programming Hybrid Memristor/Transistor Circuit Could Continue Moore's Law
(PhysOrg.com) -- As researchers strive to increase the density and functionality of circuit elements onto computer chips, one newer option they have is a memory resistor (or “memristor”), the fourth passive ...
Feb 26, 2009 |
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Brainput system takes some brain strain off multi-taskers
(Phys.org) -- A research team made up of members from Indiana University, Tufts and MIT and led by Erin Treacy Solovey, a has built a brain monitoring system that offloads some of the computer related activities ...
Technology / Hi Tech & Innovation
May 16, 2012 |
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Pigeons' navigation skill not down to iron-rich beak cells: study
The theory that pigeons' famous skill at navigation is down to iron-rich nerve cells in their beaks has been disproved by a new study published in Nature.
Apr 11, 2012 |
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Heart-powered pacemaker could one day eliminate battery-replacement surgery
A new power scheme for cardiac pacemakers turns to an unlikely source: vibrations from heartbeats themselves.
Mar 02, 2012 |
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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 |
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'Microring' device could aid in future optical technologies
(PhysOrg.com) -- Researchers at Purdue University and the National Institute of Standards and Technology (NIST) have created a device small enough to fit on a computer chip that converts continuous laser light ...
Oct 19, 2011 |
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Putting a new spin on computing
(PhysOrg.com) -- Physicists at the University of Arizona have achieved a breakthrough toward the development of a new breed of computing devices that can process data using less power.
Jun 21, 2011 |
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Rewrite the textbooks: Findings challenge conventional wisdom of how neurons operate
(PhysOrg.com) -- Neurons are complicated, but the basic functional concept is that synapses transmit electrical signals to the dendrites and cell body (input), and axons carry signals away (output). In one ...
Medicine & Health / Neuroscience
Feb 17, 2011 |
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Engineers grow nanolasers on silicon, pave way for on-chip photonics
Engineers at the University of California, Berkeley, have found a way to grow nanolasers directly onto a silicon surface, an achievement that could lead to a new class of faster, more efficient microprocessors, ...
Feb 06, 2011 |
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Our brains are wired so we can better hear ourselves speak, study shows
(PhysOrg.com) -- Like the mute button on the TV remote control, our brains filter out unwanted noise so we can focus on what we're listening to. But when following our own speech, a new brain study from UC ...
Medicine & Health / Neuroscience
Dec 08, 2010 |
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IBM's breakthrough chip technology lights the path to exascale computing
(PhysOrg.com) -- IBM scientists today unveiled a new chip technology that integrates electrical and optical devices on the same piece of silicon, enabling computer chips to communicate using pulses of light ...
Dec 01, 2010 |
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Evolutionary bestseller in image processing
The eye is not just a lens that takes pictures and converts them into electrical signals. As with all vertebrates, nerve cells in the human eye separate an image into different image channels once it has been ...
Medicine & Health / Neuroscience
Nov 10, 2010 |
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Animal cells communicate electrically over long distances via nanotubes
(PhysOrg.com) -- A new study has discovered that animal cells communicate electrically with each other via tunneling nanotubes (TNTs). The membrane tubes contain a protein called F-actin and connect cells ...
Nanotechnology / Bio & Medicine
Sep 21, 2010 |
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Home's electrical wiring acts as antenna to receive low-power sensor data
If these walls had ears, they might tell a homeowner some interesting things. Like when water is dripping into an attic crawl space, or where an open window is letting hot air escape during winter.
Sep 15, 2010 |
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Taking the twinkle out of the night sky
If you are like most people, you probably enjoy the twinkling of stars that blanket the sky on a clear summer night. If you are an astronomer, chances are you find it extremely annoying.
Aug 04, 2010 |
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