Technology

From U. of Iowa Libraries. Shows the spread of printing up to the year 1500--printers, universities, paper mills, fairs, conflicts, and trade routes. Scrolling over a location shows city's earliest printer & first printed book. Timeline shows progress.

National Endowment for the Humanities with the National Trust for the Humanities & the MarcoPolo Education Foundation provides websites and lesson plans for Art & Culture, Literature & Language Arts, Foreign Language, and History & Social Studies. Links to other partner-developed content from National Geographic & Science NetLinks, etc.

Howstuffworks.com was created by Marshall Brain, electrical engineer and former teacher. Specializes in the mechanical, but also covers social concepts, cultural events, business jargon, and other things.

MIT site providing an Inventor's Handbook of frequently asked questions (FAQ), an Inventor by the Week for browsing inventors and inventions, a Search feature and information on how to apply for a patent for your own invention.