Spoiler alert: every second, Earth’s magnetic field deflects about 1.5 million tons of material ejected from ... the solar wind and forms a protective shield is called the magnetosphere.

When an electric current passes through a metal wire, a magnetic field forms around that wire ... Although it may seem counterintuitive, material from the liquid outer core slowly "freezes ...

In electrical engineering, electromagnetic shielding is the practice of reducing the electromagnetic field in a space by blocking the field with barriers made of conductive or magnetic materials.

A permanent magnet is always magnetic. It has an invisible magnetic field. Only certain materials, such as iron, feel a magnetic force. Permanent magnets can come in lots of different shapes and ...

Continent-sized structures of mineral protruding from the lower mantle towards Earth's outer core may be contributing to an ...