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10 Unusual Investments
money.howstuffworks.com/personal-finance/financial-planning/10-unusual-investments.htm
Unusual investments can often net a financial windfall. Read our list of the top 10 unusual investments that are popular today at HowStuffWorks.
10 Inventions by Thomas Edison (That You've Never Heard Of)
science.howstuffworks.com/10-inventions-thomas-edison.htm
It's common knowledge that Thomas Edison invented the incandescent light bulb and the phonograph, but did you know he also developed concrete furniture and a phone to communicate with the dead?
How Millimeter Wave Scanners Work
science.howstuffworks.com/millimeter-wave-scanner.htm
If you've traveled recently, you probably raised your arms above your head and waited for a millimeter wave scanner to do its screening thing. During those 10 seconds or so, did you ever wonder exactly how the device produced your image?
How Power Drills Work
home.howstuffworks.com/power-drills.htm
Whether you're drilling holes or screwing screws, power drills make finishing most home improvement jobs much faster. Learn all about power drills.
10 Common Hospital-acquired Infections
health.howstuffworks.com/medicine/healthcare/10-common-hospital-acquired-infections.htm
Hospital-acquired infections occur because a hospital puts many people with infections in one place. Learn more about hospital-acquired infections.
How Satanic Panic Worked
history.howstuffworks.com/historical-events/satanic-panic.htm
Satanic panic caused Americans to worry about cult movements intent on sacrificing children. Learn more about how satanic panic worked.
How the U.S. Postal Service Works
people.howstuffworks.com/usps.htm
The U.S. Postal Service employs about 500,000 people and is responsible for the delivery of mail. Learn more about the United States Postal Service.
How Domain Name Servers (DNS) Work
computer.howstuffworks.com/dns.htm
When you type a URL into your web browser's address bar, the correct page appears as if by magic (provided you typed it correctly). Is it the work of sorcery? Nope! Domain name servers are handling all the data behind the scenes.
Housebreaking Your Pet 101
animals.howstuffworks.com/pets/housebreaking.htm
Learn some of the more popular ways to housebreak pets and troubleshoot some of the most common housebreaking problems that trainers encounter.
How Earthworms Work
animals.howstuffworks.com/animal-facts/earthworm.htm
Earthworms aren't just good for fish bait. Read about earthworm anatomy, reproduction and life as an earthworm at HowStuffWorks.