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What Is a Clutch? Car Mechanics, Explained
auto.howstuffworks.com/clutch.htm
Anyone with a manual transmission knows that a clutch connects and disconnects the engine and transmission. But did you know that automatics have clutches, too? Read on to discover how a clutch car works!
How Espresso Works
science.howstuffworks.com/innovation/edible-innovations/espresso.htm
It's a great pick-me-up in the morning and a perfect finish to a good meal. Ever think about trying to make this stuff at home? Find out what espresso actually is and how to make a perfect shot every time.
How Japan's Nuclear Crisis Works
science.howstuffworks.com/japan-nuclear-crisis.htm
Explosions, fires and dangerous radiation levels dominated the headlines after the March 11 earthquake and tsunami sparked a nuclear crisis in Japan. How did so many safety measures fail?
What makes your arms, legs and feet fall asleep?
health.howstuffworks.com/human-body/parts/question552.htm
What makes your arms, legs and feet fall asleep? Basically, your nerves go a little haywire when your limbs fall asleep. Learn why.
What if someone shot a gun on an airplane?
science.howstuffworks.com/innovation/science-questions/gun-on-plane.htm
In movies, bad guys can take over an airplane and start shooting up the place. Wouldn't the plane explode or depressurize as soon as the bullet pierced its skin?
How Diesel Two-Stroke Engines Work
auto.howstuffworks.com/diesel-two-stroke.htm
Diesel two-stroke engines are used to power locomotives, large ships, and generating facilities. Find out how a diesel two-stroke engine works.
What Is Freon and How Does It Work?
home.howstuffworks.com/home-improvement/heating-and-cooling/what-is-air-conditioner-freon.htm
Freon AC is a colorless gas that absorbs heat and humidity. But it's being phased out in the United States, so what does your AC unit use to keep cool?
How to Clean Stains Off Stucco
Stucco can be attractive and eco-friendly, but it also stains easily. We'll tell you several ways to remove those stubborn stains and breathe new life into this popular building material.
What Is the Healthiest Position for Sleep?
health.howstuffworks.com/mental-health/sleep/basics/healthiest-position-sleep.htm
Getting enough sleep and finding the healthiest position to sleep in go hand in hand. So, side, back, stomach? Which is the healthiest way to sleep?
How Stock Car Aerodynamics Work
auto.howstuffworks.com/auto-racing/nascar/nascar-basics/stock-car-aerodynamics.htm
Stock car aerodynamics are affected by a number of things, including downforce and life. Learn more about stock car aerodynamics at HowStuffWorks.