A new theory suggests it may have been a collision between two universes that started ours. So instead of winging out way through space and time, everything created from a beginning point, we dropped into this universe with space and time already existing. And we aren't necessarily all flying away from each other. If accepted, this big of a change in our understanding of how the universe works will affect our thinking. The Ford Motor Company is planning to introduce a new electrical system for autos in 2004.
Calculations show a substantial fuel savings, and presumably a reduction in air pollution.
Last fall, we posted an article about retinal scanning devices. In fact, I saw a demonstration at a science fiction convention, and thought the idea was great. The link above will take you to today's article. It seems there is always a new computing generation appearing on the scene. And the whole thing is the size of a desktop computer and has the power draw of a small appliance.