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.

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 ...

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 ...

Physicists and engineers have developed a groundbreaking method to measure magnetic field orientation using atoms as tiny ...

The importance of the world’s magnetic field is difficult to understate. On the one hand, this magnetic shield is responsible for life forming on Earth in the first place, as it protects the ...

Without its magnetic field, life on Earth would not be possible since this shields us from harmful cosmic radiation and charged particles emitted by the Sun, a steady stream known as solar wind.