Researchers at the University of Cambridge and startup company GlitterinTech have developed a tiny, low-cost device that could bring powerful chemical sensing capabilities to wearable technology. The new device is an optical spectrometer—a tool that analyzes how light interacts with materials. Spectrometers are widely used in science, medicine, manufacturing, and environmental monitoring because they can […] The post New $10 spectrometer chip could turn smartwatches into health monitors appeared