Space on MSN7d
The sun's magnetic field will flip soon. Here's what to expect.
As sunspots emerge on the sun's surface close to its equator, their orientations will match the old magnetic field, while ...
PBS2y
Impact on Animals
Would a dramatic change in the Earth's magnetic field affect creatures that rely on it during migration? Late on a January night in 1993 I found myself on a beach on the Pacific coast of Costa ...
Hackaday3y
A Magnetic Field Strength Meter Using An Arduino
It’s something [mircemk] demonstrates, with an Arduino-powered magnetic field strength meter that uses a UGN 3503U Hall effect device. The circuit is extremely simple, comprising the sensor ...
BBC3y
Magnets and 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 ...
Ars Technica26d
Magnetic shape-shifting surface can move stuff without grasping it
A solution proposed by a team of scientists at the North Carolina State University is a metamaterial that can change shape in response to magnetic fields. This material had to be easily deformable ...
IFLScience28d
Brunhes–Matuyama Reversal: When Earth's Magnetic Field Flips
As well as a few temporary reversals, the Earth's magnetic field – just like the Sun – can flip over long timescales. During the Brunhes–Matuyama reversal, the magnetic north could have been ...