Ask us to look them up. Totally Absurd A list of weird inventions. Passed on without comment by your guide. Brief History of Eyeglasses Fun information for people who wear glasses and even for those who don't. A very detailed site created in honor of National Inventor's Day.
Food is the theme here.
Gadgets and Inventions What they are and how they work and why. Gallery of Obscure Patents From the unusual to the bizarre. The role of Alfred Vail. Invention Dimension, The A huge list of inventors and inventions. Very easy to navigate.