To make a magnet repel a metal, one must first understand the properties of a magnet. A magnet has two poles, a north pole and a south pole. When magnets are placed near each other, opposite poles attract and like poles repel one another. When a metal enters a magnetic field, all of...
By the 12th century, people had discovered that they could use lodestone to magnetize pieces of iron, creating a compass. Repeatedly rubbing lodestone along an iron needle in one direction magnetized the needle. It would then align itself in a north-south direction when suspended. Eventually, sci...
By the 12th century, people had discovered that they could use lodestone to magnetize pieces of iron, creating a compass. Repeatedly rubbing lodestone along an iron needle in one direction magnetized the needle. It would then align itself in a north-south direction when suspended. Eventually, sci...
It consists of a length of conductive wire, usually copper, wrapped around a piece of metal. Like Frankenstein's monster, this seems like little more than a loose collection of parts until electricity comes into the picture. But you don't have to wait for a storm to bring an electromagnet...
I'm not going to use the Earth's North and South poles to magnetize my circular magnet, but instead, a very powerful solenoid wrapped around it. Jun 16, 2016 #85 Charles Link Homework Helper Insights Author Gold Member 5,847 3,075 Part Toon said: I don't think you quite ...
If you connect a wind turbine engine to a car alternator, you need to make sure the setup can withstand the strength of the winds themselves. Bolting the alternator down to a secure piece of metal or other material to keep it stable can make sure it works efficiently and effectively. If ...
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(that means something as easy to magnetize as iron), plated with a hardwearing metal such as rhodium or ruthenium (to give them a long life as they switch on and off), and sealed inside a thin glass envelope filled with an unreactive gas (typically nitrogen) to keep them free of dust...
You can think of your ecommerce store as a central hub for your brand, to magnetize audiences and build trust with shoppers. Selling online requires a balancing act between technology, marketing strategy and human operations. You can think of a digital storefront as a virtual space where you...
If your glasses are made of thin, stainless steel, break off an inch-long section, magnetize it by rubbing it in one direction against a wool shirt (or your hair), and set it to float on completely still water. The magnetized end will point north. ...