No matter HOW fast the "fast" ball is moving, it will still fall at the same speed as the ball that just meanders over the edge.
Swollen Hands and Walking, on today’s Moment of Science. Do your hands swell up when you walk? If they do, it probably has to do with your circulation. The circulatory system is a one way street. Blood flows away from the heart in the arteries, down the arms and legs then back up to the [...]