A Shoe-Box-Sized Chemical Detector

A Shoe-Box-Sized Chemical Detector

December 15, 2017

New sensor could potentially be used to identify traces of drugs and explosives, as well as speeding the analysis of cer...
Noise-Canceling Optics

Noise-Canceling Optics

October 12, 2016

Engineers at Caltech have created the visual analogue of noise-canceling headphones—a camera system that can obtain ima...