News tagged with electric signal
Power steering for your hearing: Ears have tiny 'flexoelectric' motors to amplify sound
Apr 22, 2009 |
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Utah and Texas researchers have learned how quiet sounds are magnified by bundles of tiny, hair-like tubes atop "hair cells" in the ear: when the tubes dance back and forth, they act as "flexoelectric motors" ...
New flat flexible speakers might even help you catch planes and trains
Apr 01, 2009 |
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(PhysOrg.com) -- A groundbreaking new loudspeaker, less than 0.25mm thick, has been developed by University of Warwick engineers, it's flat, flexible, could be hung on a wall like a picture, and its particular ...
De-multiplexing to the max: 640 Gbits/second
Feb 02, 2009 |
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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 ...
Search results for electric signal
Fish use electric signals to find the right mate
Jun 11, 2009 |
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Electric knifefish, close relatives of the electric eel, navigate and communicate by projecting electric fields around their bodies. Research at University of Toronto is clarifying how this sense has evolved, as well as providing ...
Electric fish conduct electric duets in aquatic courtship
Biology /
Jun 20, 2007 |
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Cornell researchers have discovered that in the battle of the sexes, African electric fish couples not only use specific electrical signals to court but also engage in a sort of dueling "electric duet."
Novel electric signals in plants
Mar 09, 2009 |
4 / 5 (1) |
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Using ion-selective micro-electrodes electrical signals in plants moving from leaf to leaf could be measured. The speed of the signals spreading as voltage changes over cell membranes ranged from 5 to 10 cm ...
The Link Between Birdsong And Human Language
Medicine & Health / Neuroscience
Nov 10, 2009 |
4.7 / 5 (7) |
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Scientists studying how Bengalese finches use sets of syllables to communicate are a step closer to understanding how humans develop and use vocabulary. After studying the neural networks in finch brains, ...
A New Glance on Microscopic Images
Sep 16, 2009 |
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A doctoral student at the research center Forschungszentrum Dresden-Rossendorf (Germany) suggests interpreting the images generated by Kelvin probe force microscopy in a new way. She recently published her ...
An 'electric' future for Formula 1 gearboxes?
Oct 03, 2008 |
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Bristol University student, Niall Oswald, has won the e2v Award for the Best Electronic Engineering Student at the 2008 Science, Engineering and Technology (SET) Awards for his final-year research project, ...
New Limits on the Origin of Dark Matter
Jan 27, 2009 |
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(PhysOrg.com) -- Determining the identity of dark matter, the mysterious stuff thought to make up the vast majority of matter in the universe, is one of the most fundamental challenges facing modern physics. Through theory ...
Sensor Detects Onset of Acute Myocardial Ischemia
Apr 23, 2009 |
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(PhysOrg.com) -- Engineering researchers at the University of Arkansas have fabricated and tested a unique biosensor that measures concentrations of potassium and hydrogen ions in the human heart with high specificity. The ...
New biosensor can detect bacteria instantaneously
Chemistry / Analytical Chemistry
Sep 08, 2009 |
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A research group from the Rovira i Virgili University (URV) in Tarragona, Spain, has developed a biosensor that can immediately detect very low levels of Salmonella typhi, the bacteria that causes typhoid fever. ...
Algorithms to reanimate the heart
Oct 02, 2007 |
4.3 / 5 (3) |
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When an adult suffers a cardiorespiratory arrest the rapid application of an electrical discharge with a defibrillator can avoid sudden death in many cases. Nevertheless, defibrillation also has its impediment or enemy: time. ...
List of search results for electric signal
