News tagged with sensors

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

New detector for rare cancer cells

(Medical Xpress) -- Researchers in the US have developed a new detector for measuring rare circulating tumor cells (CTCs) in samples of whole blood.

Jul 07, 2012
popularity 4.3 / 5 (3) | comments 0 | with audio podcast report

Enlightening cancer cells

Joint EMBO Journal paper by IST Austria and Vienna Medical University groups on engineered cell surface receptors activated by light. Small algal protein domains serve as synthetic light sensors in human ...

Jul 01, 2014
popularity 4.5 / 5 (2) | comments 0

3-D heart sock could replace pacemaker

(Medical Xpress)—An international research team that includes a University of Alberta engineering professor has designed a 3-D silicone "heart sock" that could eventually replace the venerable pacemaker.

Mar 26, 2014
popularity 4.8 / 5 (4) | comments 0

Your eyes are half a billion years old

Look after your eyes – they are at least half a billion years old, and a good deal older than your brain. The eyes are one of our most remarkable and precious organs, yet their origins have been shrouded ...

Jul 30, 2013
popularity 4.3 / 5 (18) | comments 5 | with audio podcast

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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