News tagged with vibrational energy
Mechanical motion rectifier leads to better energy harvesting
(Phys.org) -- Mechanical energy is all around us, whether in the form of a vehicle's vibrations, ocean waves, or vibrating train tracks. However, much of this energy is irregular and oscillatory - for example, road bumps ...
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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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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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 ...
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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First self-powered device with wireless data transmission
Scientists are reporting development of the first self-powered nano-device that can transmit data wirelessly over long distances. In a study in ACS's journal Nano Letters, they say it proves the feasibility of a f ...
Jun 15, 2011 |
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Nanogenerators grow strong enough to power small conventional electronics (w/ Video)
Blinking numbers on a liquid-crystal display (LCD) often indicate that a device's clock needs resetting. But in the laboratory of Zhong Lin Wang at Georgia Tech, the blinking number on a small LCD signals ...
Nov 08, 2010 |
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Vehicle shock absorber recovers energy from bumps in the road
(PhysOrg.com) -- In the past decade, regenerative braking systems have become increasingly popular, recovering energy that would otherwise be lost through braking. However, another energy recovery mechanism ...
Pickin' Up Good Vibrations to Produce Green Electricity
(PhysOrg.com) -- Vibrations from the environments we live and work in could be much more widely harnessed as a clean source of electricity, due to cutting-edge UK research.
Nov 30, 2009 |
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Harvesting Energy from Natural Motion: Magnets, Cantilever Capture Wide Range of Frequencies
(PhysOrg.com) -- By taking advantage of the vagaries of the natural world, Duke University engineers have developed a novel approach that they believe can more efficiently harvest electricity from the motions ...
Oct 28, 2009 |
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Scientists discover giant Rydberg atom molecules
A group of University of Oklahoma researchers led by Dr. James P. Shaffer, Homer L. Dodge Department of Physics and Astronomy, have discovered giant Rydberg molecules with a bond as large as a red blood cell. Determining ...
Jun 24, 2009 |
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Scientists Track Heat in Tiny Rolls of Carbon Atoms
(PhysOrg.com) -- IBM Research scientists today announced a landmark study in the field of nanoelectronics; the development and demonstration of novel techniques to measure the distribution of energy and heat in powered carbon ...
Mar 02, 2009 |
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