Why would you want to detect metal? Oh, I don't know … maybe you want to find some gold in the ground. You could dig up ALL the dirt, or you could find the location that has the gold before you dig.

Join us as we unravel the mystery of an ordinary magnet. Learn the science behind how magnets work and why they stick together and repel each other.\ In this video, we're unraveling the mystery of an ...

The magnet is the characteristic substance that draws in the ferromagnetic material like iron or nickel by the force of attraction. Individuals depend on magnets for industrial and commercial use.