A Science Odyssey: Bigger, Better, Faster

Outlining the history of technical innovation -- including the Wright brothers' first flight, Henry Ford's Model T assembly line, the development of radio and NASA's space race -- this installment of the "Science Odyssey" series looks to the Internet and the World Wide Web to predict what the future will bring. The options, it seems, are endless. And for humans, defying gravity may be the next frontier to conquer.