What is a neural magnet?

nesthymium is the strongest permanent magnetic material whose scientists are currently aware of. It is also available, so it is suitable for countless applications. The chemical composition of the magnet neszymia is nd _{2 fe 14 b, which are two atoms of necksmia, 14 iron atoms and one boron atom. These are magnets of rare countries, unlike conventional ferrite and ceramic magnets, which means that they contain atoms either from a series of lanthanide or actinide in a periodic table. Their strength is often given in terms of its evaluation gauss ; Depending on their shape and degree, this type of magnet can evaluate 13,500 Gauss or more, although small usually evaluates about 2,000 Gauss. For comparison, the refrigerator magnet evaluates about 50 Gauss.}

Because they are cheap, these magnets are used quite often in industry and between fans and dabblers. For example, every computer's hard disk has a small non -omitory magnet that helps direct the needle that reads data. You can also find them in topSpeakers and classrooms of science around the world. This excludes their use in electronic applications that generate a lot of heat. There are versions of the non -permium of the magnet that work better at higher temperatures, but in these cases the force must be sacrificed.

nesthymium magnets are incredibly strong; One size of the American quarter (about 1 inch (24.26 mm) in diameter) can hang a piece of iron weighing tens of pounds (kilograms). Two gadgets at a poor angle can suppress the skin and draw blood. Larger neodymium magnets can be extremely dangerous, wiping credit cards, sending metal objects and potentially bone breaking when used without care.

For all their danger, neodymium magnets can be used in many entertaining and educational projects. Ferrofluid and magnetic tracking film are commonly used to view magnetic field lines in physical medium. Carefully arranged magnets NECHRYMIA can cause diamagnetic levitation, a special phenomenon that can even levitate living objects such as some frogs. If someone tries to pull one along an non -magnetic conductive surface such as aluminum, it will engage in "magnetic breaking" and will be very difficult to move. However, because of their incredible strength, their use is best left to careful adults.