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Your search for "electromagnet" returned 356 results
How the 'Wow!' Signal Works
science.howstuffworks.com/science-vs-myth/unexplained-phenomena/wow-signal.htm
In 1977, SETI volunteer Jerry Ehman saw a transmission so exciting he circled it on paper and wrote the word "Wow!" It seemed to indicate a message from outer space. But what was it really?
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 Special Relativity Works
science.howstuffworks.com/science-vs-myth/everyday-myths/relativity.htm
Special relativity deals in phenomena that don't agree with our historical or commonsense views of how the universe works. In fact, many of the theory's assertions almost appear ludicrous.
How Inductors Work
electronics.howstuffworks.com/inductor.htm
An inductor is little more than a coil of wire. Sound simple? Well, it is -- but that coil of wire can do some pretty cool things! Learn all about inductors!
How Red-light Cameras Work
auto.howstuffworks.com/car-driving-safety/safety-regulatory-devices/red-light-camera.htm
The light turns red. You're alone at the intersection. There's not another car in sight. Do you run it? Read this before you answer.
How Electric Guitars Work
entertainment.howstuffworks.com/electric-guitar.htm
Electric guitars revolutionized popular music and culture. Learn more about electric guitars, electric guitar pickups, amps, and the history of electric guitars.
What is the history of electric cars?
auto.howstuffworks.com/fuel-efficiency/hybrid-technology/history-of-electric-cars.htm
The history of electric cars is more detailed than you might think. Learn more about the history of electric cars at HowStuffWorks.
10 Crazy Military Weapons That Actually Exist
science.howstuffworks.com/10-crazy-military-weapons-that-actually-exist.htm
Did you know that the Internet was originally invented for military purposes? It's true. So too were cell phones and the Humvee. In fact, many of society's biggest technology breakthroughs have been adapted for civilian use from their original military application. And when it comes to military technology, particularly weapons, there is no end to [...] The post 10 Crazy Military Weapons That Actually Exist appeared first on Goliath.
Can You Pass a Basic Physics Test?
play.howstuffworks.com/quiz/can-you-pass-a-basic-physics-test
Don't worry, this quiz won't test you on quantum and theoretical physics, just the fun, real-world stuff that underlies everything from aviation to baseball to boxing. Get ready to show off your science savvy now!
Do certain radio wave frequencies (like those used by cell phones) pose health risks?
electronics.howstuffworks.com/question4.htm
Do certain radio wave frequencies pose health risks? If so, is it safe to live within a quarter mile of a cellular phone tower or a radio antenna?