News tagged with sensors

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Keeping a lid on inflammation

Regulatory T cells (Treg cells) are part of the system of checks and balances that prevents the immune response from going overboard and causing autoimmune disease. Although critically important for shaping the immune response ...

Jun 17, 2015
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Detecting cancer through breath analysis

Although it is possible to detect diseases by studying a person's breath, this is by no means an easy task. However, scientists in the New Technology Field for Chemical and Optical Systems at Siemens Corporate Technology ...

Feb 04, 2015
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Sensor

A sensor 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 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, all sensors need to be calibrated against known standards.

This text uses material from Wikipedia, licensed under CC BY-SA

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