aerodynamics, n.Trivia

A golf ball is dimpled because that produces less drag and flies farther than if it were smooth

A car traveling at 80kph (50mph) uses half its fuel to overcome wind resistance

The distinctive nose of Japan's Shinkansen 500 Bullet Train prevents sonic booms whenever it exits a tunnel and was discovered when scientists studied the shape of a kingfisher's beak to learn how it hit the water at high speed.