Sangeetha Pulapaka
0

Magnetometers are very precise measuring instruments that can measure not only the force of magnetic fields created by magnetic materials such as ferromagnets but also sensitive enough to detect the magnetic field of the Earth itself and the very slight fluctuations of the field that happen near the places where the ground is filled with iron ore. In addition to the strength and fluctuations of the magnetic field, some advanced models can also detect the exact direction of the magnetic field in the tested point of space. The versatility of the device made it very useful in many applications, enabling it to be found in everything ranging extremely expensive space probes, land surveying equipment, archeology detectors, military hardware, all the way down to the highly miniaturized magnetometers found in mobile telephones and computing devices in pockets of billions of people around the world.

https://www.youtube.com/watch?v=_ZiLwoClRGQ