Explore the inventions, technology and ideas of science fiction writers at Technovelgy (that's tech-novel-gee!) - over 2,100 are available. Use the Timeline of Science Fiction Invention or the alphabetic Glossary of Science Fiction Technology to see them all, look for the category that interests you, or browse by favorite author / book. Browse more than 3,400 Science Fiction in the News articles.
it has a timeline of science fiction ideas, technology and inventions sorted by publication date + other sci-fi stuff
Smarthistory. Art History. Conversation. Smarthistory focuses on art history, from cave paintings to Warhol. And while the site calls itself a textbook, it's not the text — or even the illustrations — that make it special. It's the growing library of videos that feature spirited, unscripted conversations among historians about notable works.
smarthistory, a multimedia web-book about art and art history