Photos: Extreme fabrics Summary: Aspen Aerogels makes materials designed to be not only lightweight but also capable of withstanding extreme cold and heat. By Bill Detwiler | July 19, 2006 -- 11:36 GMT (04:36 PDT) Follow @billdetwiler Previous | Next Image 2 of 3 With flame on one side, and a finger on the other, the internal air pockets prevent heat from scorching flesh. Topic: Tech Industry Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.