News tagged with sensors

Related topics: robot , solar cells , electronic devices , artificial intelligence , carbon nanotube

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 ...

Feb 04, 2015
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Sensors to simplify diabetes management

For many patients diagnosed with diabetes, treating the disease can mean a burdensome and uncomfortable lifelong routine of monitoring blood sugar levels and injecting the insulin that their bodies don't ...

Oct 13, 2014
popularity 5 / 5 (2) | comments 1

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.

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