Until the arrival of GPS, the magnetic compass was the single most useful navigational tool ... though it’s far from clear whether or not we can make any navigational use of this effect. But how all ...

A compass is an age-old tool for navigation. It is simplistic in design and function. In today's high-tech world, the humble ...

Primarily, the compass was used for geomancy for a long time before it was used for navigation Ancient Chinese alchemists realized that the magnetite ore would point towards a magnetic north. Their ...

One end points towards magnetic north and the other end points south. You can use a compass to check which direction each end is facing. The Sun is in the South at about midday, so you can also ...

Researchers at the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) have developed an innovative method ...

Such reversals in the Earth's magnetic field, they'd tell you ... So hang on to your compass. For the foreseeable future, it should work as advertised.—Peter Tyson ...

Your iPhone has a built-in magnetic field sensor used by apps like Apple Maps, which you'll be using to calibrate the compass. 4. Next, move the red ball around the edge of the circle by moving ...