We’re used to Hall effect devices as proximity sensors in mechanical systems, used to provide detection of something that has a magnet attached to it. However it’s easy to forget that the devices that ...

See you on the flip side. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A reversal in Earth's magnetic field thousands of years ago plunged the ...

Rosie is a freelance writer living in London. She has covered everything from ancient Egyptian temples to exciting medical breakthroughs, but she particularly enjoys writing about wildlife, ...

The Earth’s magnetic field does more than just cause auroral light shows. Could it play a role in extinctions, too? After studying the reversal of Earth’s magnetic pole known to have occurred 42,000 ...