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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 Customs Works
science.howstuffworks.com/transport/flight/modern/customs.htm
To most people a trip through customs is just another stop in an airport or a country's borders. But customs agencies do much more for their countries' governments. In fact U.S. Customs raises more revenue than any agency except the IRS. Find out why and how they do it.
How Night Vision Works
electronics.howstuffworks.com/gadgets/high-tech-gadgets/nightvision.htm
Most of us instinctively think of darkness as a way to hide. Night vision has changed all that. So, how can you see someone standing over 200 yards away on a pitch-black night? Find out.
How Mustard Gas Works
science.howstuffworks.com/mustard-gas.htm
Mustard gas is a chemical warfare agent developed during World War I. Learn how mustard gas affected soldiers and armies used mustard gas.
Top 10 Hotels That Will Scare the Daylights Out of You
science.howstuffworks.com/science-vs-myth/afterlife/top-5-haunted-hotels.htm
Haunted hotels are found in literature and movies -- we're enthralled with the idea of them. Learn more about haunted hotels and their creepy stories.
How Houseboats Work
home.howstuffworks.com/houseboat.htm
Houseboats aren't the most common place to live, but they're an interesting alternative. Learn about houseboat living, how houseboats float and more.
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 to Detect if Someone's Stealing Your WiFi
electronics.howstuffworks.com/how-to-tech/how-to-detect-stealing-wifi.htm
Can you detect if someone is stealing your WiFi? Learn about WiFi networks and wireless piggybacking and see how to detect if someone is stealing WiFi.
How Labor Scabs Work
money.howstuffworks.com/labor-scab.htm
Labor scabs fill jobs when union workers go on strike. Learn more about labor scabs and labor strikes.
Top 5 Annuals for the West
home.howstuffworks.com/lawn-garden/professional-landscaping/5-annuals-for-west.htm
Annuals for the West get lots of sunlight but little precipitation. Learn what the popular annuals for the West are at HowStuffWorks.