Low Cost And Highly Efficient Metal Extractor
Unknowingly, many times, dangerous metals can be found on roads or playgrounds and this leads to accidents. To avoid this, this student has made a metal extractor that is extremely economical and beneficial. The extractor runs on electromagnetism. Electromagnetism is a branch of physics that deals with the electromagnetic force that occurs between electrically charged particles. The electromagnetic force is one of the four fundamental forces and exhibits electromagnetic fields such as magnetic fields, electric fields, and light.