Researchers at ICFO have developed a new technique for measuring very weak forces on a molecular scale. Thanks to the use of carbon nanotubes, they have achieved the highest level of sensitivity to date. These results published ...
Jun 09, 2013
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(Phys.org) —Devices that harvest energy from the environment require specific environmental conditions; for instance, solar cells and piezoelectric generators require sunlight and mechanical vibration, ...
Apr 17, 2013
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(Phys.org) —The mammalian auditory system is one of the most sensitive detectors found in nature. Two kinds of cells, the inner and outer hair cells, work together to transduce mechanical vibrations into ...
Apr 10, 2013
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(Phys.org)—A significant percentage of the costs of wind energy is due to wind turbine failures, as components are weakened under turbulent air flow conditions and need to be replaced. The challenge for the team was to ...
Feb 12, 2013
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Imagine a solid ball rolling down a slightly inclined ramp. What could be perceived as child's play is the focus of serious theoretical research by Manoj Chaudhury and Partho Goohpattader, two physicists ...
Dec 17, 2012
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(Phys.org)—A wireless vibration sensor being developed by a Victoria University student could provide a low-cost solution for engineers to monitor the damage of buildings affected by earthquakes.
Nov 23, 2012
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(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 ...
Apr 25, 2012
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A new power scheme for cardiac pacemakers turns to an unlikely source: vibrations from heartbeats themselves.
Mar 02, 2012
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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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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 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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(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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(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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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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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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