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Your search for "metal detectors" returned 103 results
How Self-cleaning Ovens Work
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Getting your oven dirty is easy. Getting it clean again is another matter entirely. Self-cleaning ovens sound good, but do they really work as well as their makers promise?
How Massage Chairs Work
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Massage chairs are expensive chairs that allow you to receive a mechanical or robotic massage. Learn how massage chairs work.
How Fire Works
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Few things have done as much harm to humanity as fire, and few things have done as much good. Find out where fire comes from and see why it behaves the way it does. The answers might surprise you!
How Virtual Laser Keyboards Work
electronics.howstuffworks.com/gadgets/travel/virtual-laser-keyboards.htm
Virtual laser keyboards are great travel gadgets. Learn more about virtual laser keyboards at HowStuffWorks.
Does the Real Element 115 Have a Connection With UFOs?
science.howstuffworks.com/space/aliens-ufos/element-115.htm
For decades Bob Lazar talked about a mysterious element 115 that could power alien spacecraft. People thought he was nuts, but scientists discovered element 115 in 2003. What can that element do?
The Craziest Amusement Park Accidents That Resulted In Death
The love affair with amusement parks began in Coney Island, New York. In 1884, thousands of people flocked here to ride on La Marcus A. Thompson's Switchback Gravity Pleasure Railway. This Pleasure Railway offered the chance to speed along its 450-foot track at 6 mph. By 1927, the Coney Island Cyclone, which travelled at 60 [...] The post The Craziest Amusement Park Accidents That Resulted In Death appeared first on Goliath.
How Batteries Work
electronics.howstuffworks.com/everyday-tech/battery.htm
Batteries power the appliances you use daily. Check out battery experiments, the history of batteries, battery reactions and the chemistry behind battery power.
How Slot Machines Work
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Slot machines are a popular form of gambling. Learn about modern slot machines and old mechanical models and find out the odds of winning on slot machines.
How Much Do You Know About Forensic Science?
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Forensics -- it's a staple of TV crime shows and thriller movies. But how much of what you've seen on the screen is realistic? We've designed a quiz on real-life forensics that'll put your knowledge to the test. Duck under the yellow tape and give it a try!
How Ham Radio Works
electronics.howstuffworks.com/ham-radio.htm
Ham radio lets people talk across the globe, wirelessly and inexpensively. Learn how to get started in ham radio, from licenses to equipment, and check out two-way radio reviews.