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How Electromagnets Work
science.howstuffworks.com/electromagnet.htm
Whether they're sorting out scrap metal or helping us unlock the secrets of the universe, electromagnets are pretty nifty devices. What's so great about magnetism on demand? We'll electrify you with the details.
How Electromagnetic Propulsion Will Work
science.howstuffworks.com/electromagnetic-propulsion.htm
Get a sneak peek (even before NASA scientists) at a new type of spacecraft that could be jolted through space by electromagnets.
Why am I not allowed to use my cell phone in airplanes or hospitals?
electronics.howstuffworks.com/question230.htm
Electromagnetic interference can create problems in some equipment in airplanes and hospitals. Learn about electromagnetic interference from cell phones.
What's a voice coil on a speaker?
electronics.howstuffworks.com/voice-coil-speaker.htm
A voice coil is an electromagnet. Learn how a voice coil works on a speaker in this article.
Understanding the Wavelength Formula and Its Applications
science.howstuffworks.com/math-concepts/wavelength-formula.htm
The wavelength formula is a fundamental concept in physics, particularly in the study of waves and electromagnetic radiation.
Kilonovas Are Some of the Biggest, Baddest Stellar Blasts in Space
science.howstuffworks.com/kilonovas-are-biggest-baddest-stellar-blasts-in-space.htm
Get ready for the most powerful electromagnetic explosion the universe has ever known.
How Doorbells Work
home.howstuffworks.com/home-improvement/repair/doorbell.htm
You probably don't spend too much time pondering the inner workings of a doorbell, but it's actually a pretty cool device once you get inside. Find out exactly what happens when someone rings your bell.
How Electric Motors Work
electronics.howstuffworks.com/motor.htm
Electric motors power almost everything in your kitchen, bathroom and office. But how do they perform their magic?
How do proximity-type Christmas-light testers work?
home.howstuffworks.com/home-decor/seasonal/question270.htm
Proximity Christmas light testers detect the alternating electromagnetic waves in the lights. Learn more about proximity Christmas light testers.
How Electromagnetic Pulse Attacks Work
science.howstuffworks.com/e-bomb.htm
Learn how EMPs work and how these weapons could tear apart modern technology.