HOW COME? When the Earth moves, we don't
The next time you get on an elevator in the lobby of a tall building, close your eyes. As the box you're riding in smoothly ascends, you may feel like you're not moving at all -- at least, until it slows to a stop at your floor. Think about it, and you'll realize you've had the same experience in a train or a car. Or even on a jet plane, traveling through the clouds at more than 500 mph. We're traveling...
