Explorers have long trusted compasses to navigate Earth’s land and oceans, using our planet’s global magnetic field as their guide. But what happens when you take a compass beyond Earth — into orbit, ...

A magnetic field is invisible, but it can be detected using a magnetic compass. A compass contains a small bar magnet on a pivot so that it can rotate. The compass needle points in the direction ...

As Ron Merrill, a magnetic-field specialist at the University of ... So hang on to your compass. For the foreseeable future, it should work as advertised.—Peter Tyson ...

Researchers have developed an electronic skin that detects and precisely tracks magnetic fields with a single global sensor.

The dent refers to the weak magnetic field over a particular region of the ... You can easily know about its presence with the help of a magnetic compass, which always points north.

A flower-shaped structure only a few micrometers in size made of a nickel-iron alloy can concentrate and locally enhance ...

This model "helps to direct the compass tools found in smartphones ... If the poles switch sides, experts predict that the planet's magnetic field would be disrupted, exposing it to harmful ...