Magnets are really cool. Anything that’s magnetic will stick to them. And because of the invisible magnetic field they produce around themselves, they can make things move without touching them. Here are a couple of neat things you can do with magnets to learn about how they work. But mak...
Generators - As the turbine blades turn, so do a series of magnets inside the generator. Giant magnets rotate past copper coils, producing alternating current (AC) by moving electrons. (You'll learn more about how the generator works later.) Transformer - The transformer inside the powerhouse ...
Generators - As the turbine blades turn, so do a series of magnets inside the generator. Giant magnets rotate past copper coils, producing alternating current (AC) by moving electrons. (You'll learn more about how the generator works later.) Transformer - The transformer inside the powerhouse ...
How Odometers Work How Fuel Gauges Work How Gear Ratios Work How Car Computers Work How does a speedometer in an airplane work? How Magnets Work Sources “100 Years of Speedometers — The History of Driver Information,” November 7, 2002. Found online at: http://www.siemensvdo.com/press...
He was also the first to discover that magnets have poles, or individual points where the charge is focused. And, important for electromagnetism, Maxwell observed that when a current passes through a wire, it generates a magnetic field around the wire. Hans Christian Oersted Maxwell's work was...
6. Check for any magnets nearby Inside your MacBook’s lid, there’s a tiny magnet that reacts when the lid is closed. But when there are other magnets nearby that send a wrong signal to your MacBook, telling it to shut down. For example, this happens if you place your computer ato...
A microphone is a device that converts sound waves into an electrical signal. It allows you to capture audio and transmit it to various devices, such as computers, amplifiers, or recording equipment. How does a microphone work? A microphone consists of a diaphragm, a coil or capacitor, and...
Introduction to Reed Switches, Magnets and Magnetic Fields by Stephen Day. Quite a neat summary of how reed switches are used in practice, and the need to choose the right magnet to avoid the switch going on or off too many times.
Some people believe magnets have health benefits, like weight loss and muscle contouring, which gives this chair added value. But beware. The chair comes with some standard warnings: Keep it away from computers, credit cards and other cards with magnetic strips, cell phones, and large metallic ...
Attaching your keyboard to your Surface device is simple and only takes a few seconds. All you need to do is align the keyboard and move it toward the screen. Magnets help secure the keyboard in just the correct position—it clicks right in. ...