April 10, 2019 2:27 PM
New sensor can detect dangerous chemicals
Scientists have developed a novel sensor that can be used in smartphone-sized devices to detect dangerous chemicals based on a unique fingerprint of absorbed and emitted light.<br />''<br />''<br />''Devices called spectrometers are light-splitting instruments that have long been both bulky and expensive, preventing their use outside the lab.<br />''<br />''<br />''However, researchers at the University of Wisconsin-Madison in the US have now developed a spect...