Reviews the definition of friction, why friction occurs, and factors that affect it.
Find out how to apply knowledge of gravity and friction to rock climbing.
Find out why the carbon polymer called Teflon is too slippery even for a Gecko and why this property, among others, makes it so useful.
Discover why golf balls have dimples and how dimples on the surface of vehicles could improve fuel efficiency.
Learn about mysterious sliding rocks in Death Valley and possible explanations for the mystery.