Bifocal and progressive lenses suck. They're old tech. Like, Benjamin Franklin old. PixelOptics take a more 21st century approach—liquid crystal lenses that adjust their focus in a fraction of a second, for differing focuses when you need them.
Ditch those bifocals. You might soon wearing spectacles whose lenses allow you to see clearly regardless of how long or short-sighted you are.
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.
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…