how-to-magnetize-a-needle

2 года назад

This video demonstrates how to magnetize a piece of metal, specifically an Allen wrench. The process involves exposing the metal to a strong magnetic field and then striking it with a hammer. The video explains the science behind this method, focusing on the alignment of atomic orbitals within the metal.

2 года назад

This video demonstrates how to magnetize a metal nail using a bar magnet. The process involves stroking the nail with one of the magnet's poles in a specific direction. The video then encourages viewers to experiment with different methods to increase the strength of the magnetized nail.

5 лет назад

This video demonstrates how to make a compass using simple materials like a paperclip, cork, and a magnet. The process involves magnetizing the paperclip by rubbing it with a magnet and then placing it on top of the cork floating in water. The video promises a simple and effective method for creating a working compass.

1 год назад

This video explores how to re-magnetize a permanent magnet that has lost its magnetism. The presenter explains the concept of magnetic domains and how they align to create a magnetic field. They then demonstrate how to use an electromagnet to create a strong magnetic field and re-magnetize the magnet.