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Your search for "electromagnet" returned 356 results
How does a security passcard work?
computer.howstuffworks.com/question662.htm
Security passcards are often used to gain entry into areas and buildings with restricted access. Find out what data is kept an encoded security passcard and how they work.
Calculating the Mass of Earth: How Much Does Earth Weigh?
science.howstuffworks.com/environmental/earth/geophysics/planet-earth-weigh.htm
The Earth is incredibly heavy. How do scientists determine the weight of the Earth?
How Pilot Lights Work
home.howstuffworks.com/pilot-light.htm
Is the water in your home not getting hot? Chances are the pilot light on your hot water heater has gone out. Find out how the pilot light in your furnace or water heater works.
Is There Finally Proof of Alien Implants in Human Bodies?
Stuff They Don't Want You To Know talks to investigative filmmaker Jeremy Corbell about his alien abduction documentaries.
Will we ever run out of magma?
science.howstuffworks.com/environmental/earth/geophysics/run-out-of-magma.htm
Will we run out of magma, or is there an infinite supply within the Earth's crust? Find out if we will ever run out of magma.
How does the ball return work on a coin-operated pool table?
electronics.howstuffworks.com/question495.htm
On a coin-operated pool table, if you hit one of the numbered balls into a pocket, the ball goes into a locked storage compartment. If you hit the cue ball into a pocket, the table returns it. How does the pool table tell the difference?
How Surge Protectors Work
electronics.howstuffworks.com/gadgets/home/surge-protector.htm
One piece of equipment you need at home is a surge protector. They safeguard your high-tech electronic devices from power surges. But how do you know which ones are best?
How the Zumwalt Class Destroyer Works
science.howstuffworks.com/zumwalt.htm
The Zumwalt is the military's class of next-generation destroyers. Find out how the Zumwalt class destroyer works and learn about Zumwalt technology.
Does the Higgs boson exist?
science.howstuffworks.com/science-vs-myth/everyday-myths/higgs-boson-exist.htm
As of July 4, 2012, the Higgs boson (maybe) exists (or at least something very like it very probably does).
What are natural gas generators?
auto.howstuffworks.com/fuel-efficiency/fuel-saving-devices/natural-gas-generator.htm
What are natural gas generators? Keep reading to learn about natural gas generators and how they are used.