Material property database with data sheets of thermoplastic and thermoset polymers such as nylon, polycarbonate, polyethylene; metal alloys, aluminum, steel, titanium, nickel, cobalt, and zinc alloys; ceramics, lubricants. Free search too...
HowStuffWorks explains hundreds of subjects, from car engines to lock-picking to ESP, using clear language and tons of illustrations. We do the research so you don't have to.
GlobalSpec is a search engine and information resource for the engineering, industrial and technical communities. We help you quickly find industrial parts, specifications and services.