The “a to z” of material science http://www.azom.com/

materil property data http://www.matweb.com/

Silica Aerogels, 99.8% air, solid, non conductive » http://eande.lbl.gov/ECS/aerogels/satoc.htm

JOM: The Member Journal of The Minerals, Metals & Materials Society “Exploring traditional, innovative, and revolutionary issues in the minerals, metals, and materials fields.” > http://www.tms.org/pubs/journals/JOM/articles.html

“Transmaterial is a catalog of materials, products and processes that are redefining our physical environment” http://www.transstudio.com/

also; Second Skin, Smart Textiles, Smart Material)