The physical processes behind the two phenomena are different. When heated, a permanent magnet loses its magnetism because its relatively well-aligned magnetic domains, which are tiny magnets, get ...

This activity is part of the Science Friday Sun Camp collection! The Sun generates an incredible amount of energy, energy that you can see and feel as light and heat. Other forms of energy from the ...

A long-standing weak spot in Earth's magnetic field is getting weirder, and it may be splitting into two distinct zones of weakness. The South Atlantic Anomaly is a section of Earth's magnetic field ...

A new study scientifically corroborates an event described in the Second Book of Kings -- the conquest of the Philistine city of Gath by Hazael King of Aram. The method is based on measuring the ...

Little Big Coil: the record-breaking magnet is the size of a toilet roll core. (Courtesy: Stephen Bilenky/National MagLab) The highest continuous magnetic field ever created in the lab has been ...

Scientists are keeping a close eye on a growing “dent” in Earth’s magnetic field over a swath of the Atlantic Ocean that stretches from South Africa westward into Brazil. In this zone, known as the ...