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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Mar 02, 2012
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UK scientists develop optimum piezoelectric energy harvesters
Scientists working as part of the Metrology for Energy Harvesting Project have developed a new model to deliver the maximum power output for piezoelectric energy harvesters.
Mar 02, 2012
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Powering pacemakers with heartbeat vibrations
Sick hearts may help to keep themselves beating longer with a device that could harvest energy from heartbeat-induced chest cavity vibrations.
Feb 01, 2012
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German engineers mimic humpback whale to increase helicopter stability
(PhysOrg.com) -- Whale researchers have known for some time that humpback whales are able to perform feats of underwater acrobatics that belie their huge size and that some of that ability is partly due to ...
Feb 01, 2012
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Researchers uncover transparency limits on transparent conducting oxides
Researchers in the Computational Materials Group at the University of California, Santa Barbara (UCSB) have uncovered the fundamental limits on optical transparency in the class of materials known as transparent ...
Jan 18, 2012
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Imec presents a MEMS energy harvester suitable for shock-induced energy harvesting in car tires
Imec and Holst Centre announce that they have made a micromachined harvester for vibration energy with a record output power of 489µW. Measurements and simulation show that the harvester is also suited ...
Dec 08, 2011
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Research team shows nuclear clock could be 60 times more accurate than atomic clock
(PhysOrg.com) -- For almost sixty years, the world has considered the atomic clock the gold standard for keeping time. Its accuracy is such that it drifts by only about four seconds over a period of about ...
Nov 09, 2011
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For new microscope images, less is more
When people email photos, they sometimes compress the images, removing redundant information and thus reducing the file size. Compression is generally thought of as something to do to data after it has been collected, but ...
Nov 08, 2011
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Seeing sound: Team develops noninvasive method to visualise sound propagation
High-performance loudspeaker manufacturers have been able to improve sound quality dramatically over the years, but still face the issue of dead spots.
Nov 08, 2011
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Nanoparticle imaging: A resonant improvement
Raman spectroscopy is a powerful technique for analyzing atomic structure based on the inelastic scatter of light from molecules, with diverse applications including medical imaging and chemical sensing. Researchers ...
Oct 28, 2011
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Spider is the second most vibration-sensitive creature
(PhysOrg.com) -- A new study in Austria has confirmed that spiders are extremely sensitive to vibrations, and determined they are the second most vibration-sensitive organism, topped only by cockroaches.
Oct 28, 2011
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Research into energy flow features on the cover of Nature Chemistry
(PhysOrg.com) -- 'Energy flow maps' which provide new insight into how chemical reactions work are described in a paper by Dr David Glowacki and colleagues at the University of Bristol in the November issue ...
Oct 27, 2011
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High temperature, high speed metal fatigue test device with 1000C heat resistance
A research group led by Dr. Yoshiyuki Furuya, a Senior Researcher of the Materials Reliability Unit, National Institute for Materials Science, succeeded in the development of a high temperature ultrasonic ...
Sep 21, 2011
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Vibration-assisted milling can lead to higher-quality surfaces
In conventional milling operations, a workpiece on a table is typically fed past a rotating multi-tooth cutter, and the entire surface is processed by making a series of overlapping passes. This procedure, ...
Sep 19, 2011
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Spin pumping effect proven for the first time
German physicists led by Prof. Dr. Hartmut Zabel have demonstrated the spin pumping effect in magnetic layers for the first time experimentally. The behaviour of the spin pumping had previously only been predicted theoretically. ...
Sep 12, 2011
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