Smart fabrics that play music, sniff out chemicals, and send data about your location and well-being are slowly weaving their way into daily life. Dr. Maggie Orth’s new technology is part of an emerging wave: weaving all sorts of intelligence into textiles, including the ability to detect dangerous chemicals, sanitize themselves, and serve as communication networks. Applications run the gamut, from health and sporting goods to sophisticated combat uniforms. It’s a field