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How Roller Coasters Work
science.howstuffworks.com/engineering/structural/roller-coaster.htm
They don't have engines, brakes or accelerators. No, these amazing machines rely on physical, centripetal and gravitational forces to urge thrills, screams and that sinking stomach feeling we all love (and hate). Read more about the science of fun.
How the Crusades Worked
history.howstuffworks.com/european-history/crusades.htm
The Crusades were religious wars. Find out what triggered the First Crusade and how the pope persuaded people to go on a crusade.
10 Cool Tools
home.howstuffworks.com/10-cool-tools.htm
Unlike the hammers and chisels collecting cobwebs in garages everywhere, these high-tech tools have worked on everything from revolving water slides to boxing robots.
Ultimate Guide to Concrete Countertops
home.howstuffworks.com/home-improvement/remodeling/concrete-countertop.htm
Concrete countertops are gaining in popularity as a replacement for granite countertops. Find out why concrete countertops are being used more and more.
How the Green Berets Work
science.howstuffworks.com/green-beret.htm
John F. Kennedy called the green beret "a symbol of excellence, a badge of courage, a mark of distinction in the fight for freedom" -- a nod to the most formidable arm of the U.S. military. The Green Berets, or Special Forces, are America's first line of defense around the world.
How RFID Works
electronics.howstuffworks.com/gadgets/high-tech-gadgets/rfid.htm
RFID is a tracking system that uses intelligent bar codes to track items in a store. Learn more about RFID and find out how smart labels work.
1949-1951 Nash Airflyte
auto.howstuffworks.com/1949-1951-nash-airflyte.htm
The 1949-1951 Nash Airflyte series was Nash's attempt at a new automotive design frontier. They succeeded. Learn about the 1949-1951 Nash Airflyte.
How to Begin Walking for Fitness
health.howstuffworks.com/wellness/diet-fitness/exercise/how-to-begin-walking-for-fitness.htm
Take the right steps before you begin walking for fitness. This article explains how to assess your health, find your target heart rate, and more.
Chi Kung Exercises
people.howstuffworks.com/chi-kung-exercises.htm
chi kung exercises, chi kung, chi, taoist, taoism
UFOs and the Government
science.howstuffworks.com/space/aliens-ufos/ufo-government.htm
Project Sign was the first major government UFO investigation project. Read how Project Sign began and the history of UFOs and the U.S. government.