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How Lie Detectors Work
people.howstuffworks.com/lie-detector.htm
Lie detection is a consistently controversial topic -- how can a machine tell truth from deception? Does everyone have the same physiological reaction when telling a lie? If so, how can some people "beat the box"? Find out what these devices measure and if they really can detect lies.
How Aliens Work
science.howstuffworks.com/space/aliens-ufos/alien-physiology.htm
Alien life forms would probably differ from those on Earth but still adhere to certain principles. Learn about astrobiology and the search for alien life forms.
Ultimate Guide to Bamboo Flooring
home.howstuffworks.com/home-improvement/home-diy/flooring/bamboo-flooring.htm
Why is bamboo flooring such a popular choice in home interiors? Learn how bamboo flooring works and whether it's really an eco-friendly option.
How Blowtorches Work
home.howstuffworks.com/blowtorch.htm
Blowtorches produce an exceptionally hot flame and harnesses that heat to mold and cut metal. Learn how the blowtorch revolutionized welding.
How the Vikings Worked
history.howstuffworks.com/historical-figures/viking.htm
The Vikings, we may think, were bloodthirsty pillagers in horned helmets. While Vikings did plunder, they also did great things -- and in different headgear.
How Criminal Recycling Works
people.howstuffworks.com/criminal-recycling.htm
Criminal recycling centers on a growing group of lawbreakers who steal recyclables and exchange them for cash. Learn how criminal recycling works.
How the U.S. Coast Guard Works
science.howstuffworks.com/coast-guard.htm
Unique among the U.S. armed forces, the Coast Guard is perpetually on active duty, entrusted with lots responsibilities and chronically underfunded. Learn about the U.S. Coast Guard.
How IEDs Work
science.howstuffworks.com/ied.htm
IEDs (improvised explosive devices) are simple to make, easily hidden and very destructive. Read why IEDs are the weapon of choice for some fighters.
How Welding Works
science.howstuffworks.com/welding.htm
Welding is what makes bridges, skyscrapers and automobiles possible. Learn about the science behind welding.
How Sugar Works
science.howstuffworks.com/innovation/edible-innovations/sugar.htm
Whether it's providing us with a quick dose of energy or satisfying a sweet tooth, we love sugar. But is sugar a good fuel for us and our cars?