Darpa’s Butterfly-Inspired Sensors Light Up at Chemical Threats

The Pentagon's got a new game plan to detect deadly chemical threats: tiny, iridescent sensors that are designed to mimic one of nature's most colorful creatures: Butterflies. » 8/12/10 11:00pm 8/12/10 11:00pm

One Day, This Will Be Remembered as the First Real Tricorder

Leave it to a NASA scientist to create the first Star Trek Tricorder using a stamp-sized sensor chip, an iPhone, and some spiffy programing. What does it do? It can detect killer gasses in the air. » 11/12/09 10:12am 11/12/09 10:12am