Try balancing a baseball bat on your hand. With some experimenting, you'll find that the bat stays up longer if you put the heavy end up. Why?
Drop two objects of different mass, say a bowling ball and a golf ball, from a high building. Which hits the ground first? Learn more on this Moment of Science.
Here’s a physics classic. Suppose you drop a golf ball and a bowling ball from the Empire State Building. Which hits first? Answer? They hit at the same time. Learn more on this Moment of Science.
In his book Cosmos, the late scientist Carl Sagan talks about the way in which the earth is regularly struck by material from outer space. These collisions with space debris can be minor–as in a shooting star on a summer night–or amazingly destructive, as in the collision that probably killed off the dinosaurs. Thankfully, the [...]