Gizmodo Celebrates the Fathers of Invention on Presidents' Day

Apart from bringing us laws, wars, peace, hanging chads, lobbies, sex scandals, First Ladies and Rough Riders, there have been presidents and Founding Fathers who have brought us all kinds of gadgets and inventions. Jump to see the best tech that the fearless leaders of the free world had to offer us.
» 2/18/08 1:37pm 2/18/08 1:37pm

Smart Glasses: Dynamically Changing Lenses to Replace Bifocals

Here's a pair of glasses from PixelOptics that replace bifocals, changing from distant vision to close-up with the flick of a switch. Sure, this prototype is rather odd-looking, but its developers say future versions will be indistinguishable from conventional eyeglasses. The technology works using an extremely thin… » 4/04/06 12:47pm 4/04/06 12:47pm