(PhysOrg.com) -- With the goal to enable small electronic devices to harvest their own energy, researchers have designed a device that can convert light and thermal energy into electricity. When exposed to visible light and/or ...
One of the many counterintuitive and bizarre insights of quantum mechanics is that even in a vacuum—what many of us think of as an empty void—all is not completely still. Low levels of noise, known as quantum fluctuations, ...
Quantum Physics
Aug 7, 2013
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(PhysOrg.com) -- Researchers at Rensselaer Polytechnic Institute have developed a new method to harvest energy from flowing water. This discovery aims to hasten the creation of self-powered microsensors for more accurate ...
Nanomaterials
Jul 19, 2011
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(PhysOrg.com) -- University of Illinois researchers are using a new kind of microsensor to answer one of the weightiest questions in biology – the relationship between cell mass and growth rate.
Cell & Microbiology
Nov 15, 2010
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(PhysOrg.com) -- Authorities in Toulouse in the south-west of France are considering a proposal to install "pavement power" technology that would use the energy provided by pedestrians to generate electricity to run the street ...
Miniaturized devices such as microsensors often require an independent, equally miniaturized power supply. Searching for suitable systems, Japanese scientists have now developed a fully integrated microfluidic device that ...
Materials Science
Jun 14, 2017
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A new kind of sensor could warn emergency workers when carbon filters in the respirators they wear to avoid inhaling toxic fumes have become dangerously saturated.
Nanomaterials
May 1, 2011
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(PhysOrg.com) -- Fifteen years ago, when Alan Lakso first sought to enlist Cornell's nanofabrication laboratory to develop a tiny sensor that would measure water stress in grapevines, the horticultural sciences professor ...
Biochemistry
Jul 7, 2009
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A team of eight EPFL students has come up with a portable biosensor that can measure the amount of vancomycin in a patient's blood stream, enabling doctors to better control the dosage and reduce harmful side effects. Their ...
Bio & Medicine
Sep 7, 2018
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A new generation of microsensors could provide the vital link between food products and the Internet of Things. ETH researchers have developed an ultra-thin temperature sensor that is both biocompatible and biodegradable.
Engineering
Sep 28, 2017
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A sensor (also called detector) is a device that measures a physical quantity and converts it into a signal which can be read by an observer or by an instrument. For example, a mercury-in-glass thermometer converts the measured temperature into expansion and contraction of a liquid which can be read on a calibrated glass tube. A thermocouple converts temperature to an output voltage which can be read by a voltmeter. For accuracy, most sensors are calibrated against known standards.
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