Have you ever sprayed someone with a garden hose? If you wanted to get them good, you placed your finger over part of the tip of the hose. The water then sprayed out faster and farther. Why does putting your finger over the tip of the hose make the water shoot out faster and farther? Learn more on this Moment of Science.
Some folks have “love handles.” If you are such a person, take heart, the entire planet suffers from this same indignity. Learn more on this Moment of Science.