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22 of the Worst Prisons in the World
people.howstuffworks.com/10-of-the-worst-prisons-in-the-world.htm
These prisons house some of the world's most notorious criminals. But battles rage behind their walls, oftentimes leaving inmates susceptible to torture, disease and even death. These are some of the worst prisons on the planet.
How Facial Recognition Technology Works
electronics.howstuffworks.com/gadgets/high-tech-gadgets/facial-recognition.htm
Humans have always had the innate ability to recognize and distinguish faces, but computers only recently have shown the same ability. Learn how facial recognition systems work.
How Gnutella Works
computer.howstuffworks.com/file-sharing.htm
File-sharing allow tens of millions of people to freely trade MP3 and video files on the Internet. Is it legal? How are the files accessed? Is there a central database? Find out how this file-sharing structure works and see why it's harder for the record labels to sue.
How Fingerprint Scanners Work
computer.howstuffworks.com/fingerprint-scanner.htm
Your fingerprints are not only unique; they're also very hard to fake and even harder to misplace. What better ID to use in a security system? Learn how fingerprint scanners know it's you.
How Smart Windows Work
home.howstuffworks.com/home-improvement/construction/green/smart-window.htm
With energy bills on the rise, homeowners are looking for new ways to use less power around the house. A cutting-edge window technology called the "smart window" allows consumers to fully or partially block light by turning a knob or pressing a button.
How Solar Sail Technology Works
science.howstuffworks.com/solarsail.htm
What is a solar sail? How can you use sunlight to move a spacecraft in outer space? In this article, HowStuffWorks will show you how solar sail technology works, take an in-depth look at the Cosmos-1 mission and find out what solar-sails mean for future space travel.
South Beach Diet: What You Need to Know
health.howstuffworks.com/wellness/diet-fitness/diets/south-beach-diet.htm
The South Beach Diet is quite popular. Learn more about the South Beach Diet at HowStuffWorks.
How Wolfram|Alpha Works
computer.howstuffworks.com/internet/basics/wolfram-alpha.htm
Wolfram Alpha is one of the newer search engines on the block. See what makes Wolfram Alpha unique and find out of Wolfram Alpha will kill Google.
Melasma Overview
health.howstuffworks.com/skin-care/problems/medical/melasma.htm
Melasma is a skin condition that darkens the skin. Learn more about how melasma works at HowStuffWorks.
5 Famous Pairs of Lips
health.howstuffworks.com/skin-care/lip-care/health/5-famous-lips.htm
These 5 famous lips are among the most recognizable celebrity lips you're sure to know. See five famous pairs of lips at HowStuffWorks.