Magnets Military applications in the field of magnets: Magnetic materials are also widely used in military fields. For example, ordinary mines or mines can only explode when they come into contact with the target and are therefore of limited utility. And if magnetic sensors are installed on mines or land mines, as the tanks or warships are made of steel, the sensors detect changes in the magnetic field that explode mines or mines and increase lethality as they approach (without touching the target).
In modern warfare, airpower is one of the keys to victory in the battle. However, the aircraft can be easily detected by the enemy's radar during the flight, which poses a great danger. In order to avoid enemy radar monitoring, the aircraft surface can be coated with a special magnetic material - absorbing material, it can absorb the electromagnetic radiation emitted by the radar, making the radar electromagnetic reflection is rare, so the enemy radar can not detect radar echoes , Can not find the aircraft, which allows the aircraft to achieve the purpose of stealth. This is the famous "stealth aircraft." Stealth technology is one of the hot spots in the field of military research in the world at present. The United States F117 stealth fighter is an example of the successful use of stealth technology.
In the U.S. "Star Wars" program, there is a new type of weapon "electromagnetic weapon" research and development. Traditional artillery is the use of ammunition Explosion of the moment of expansion generated by the rapid acceleration of artillery shells, the introduction of the gunnery. The electromagnetic gun is to put the shell on the solenoid, to solenoid power, then the magnetic field generated by the solenoid on the shells will have a huge impetus to the projectile fired. This is the so-called electromagnetic gun. There are similar electromagnetic missiles and so on.