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Curated Video
Boy Races Cars To Cure Breast Cancer
13-year-old Hunter Stewart started racing cars because he wanted to follow in his father's footsteps, but he continues to race because of his mother.
Hunter's mom was diagnosed with breast cancer twice before he was 10...
Hunter's mom was diagnosed with breast cancer twice before he was 10...
Curated Video
The Evolution of Auto Racing: From Janet Guthrie to NASCAR and Beyond
This video provides a brief history of auto racing, highlighting significant milestones and the growth of the sport over time. It mentions notable figures such as Janet Guthrie, the first woman to qualify for and compete in the Indy 500,...
Curated Video
Why the Fastest Place on Earth is Disappearing
The Bonneville Salt Flats are perfect for speed. Every year, cars and motorcycles break land speed records on the flat expanse of the Bonneville Salt Flats. It’s been a tradition for more than a century, and racers have built a thriving...
National Science Foundation
National Science Foundation: Science of Speed: Grip
Success in auto racing depends on the grip of a car's tires. Grip is the frictional force that holds the tires on the track. Aerodynamic features of a car also improve a car's grip. [5:02]
National Science Foundation
National Science Foundation: Science of Speed: Load Transfer
The corners of a NASCAR track are divided into three parts because the car's grip changes in different parts of the turn. A race crew must try to minimize load transfer by making adjustments based on a car's centre of gravity. [5:05]
National Science Foundation
National Science Foundation: Science of Speed: Tires and Pressure
Tires on a car in a NASCAR race are filled with nitrogen. The force of friction increases tire pressure as the car goes around the track. Using dry nitrogen gas helps with predicting the temperature and pressure of a tire during a race....
National Science Foundation
National Science Foundation: Science of Speed: Balance
Getting the right balance in a race car is difficult because the weight of the fuel changes as the fuel burns off, and the tires wear down during each green-flag run. [5:16]
National Science Foundation
National Science Foundation: Science of Speed: Car Safety
Conservation of energy explains how this NASCAR race car driver was able to walk away from a horrific crash in 2008. See how the design of the car enabled it to absorb and transform kinetic energy, and protect the driver from injury. [5:30]