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 ...

As the time line at right shows, hundreds of times in our planet's history the polarity of the magnetic shield ensheathing ... So hang on to your compass. For the foreseeable future, it should ...

Until the arrival of GPS, the magnetic compass was the single most useful navigational tool available to humans. But it’s a recent invention. Although Chinese explorers understood the principles of ...

An engineer of my acquaintance was asked if he under-stood what a gyro-compass was, and he replied, “Of course I do; it is a magnetic compass mounted upon a gyroscope.” Now the gyro-compass ...

The phenomenon "may be linked to the Earth's history of magnetic pole reversals ... This model "helps to direct the compass tools found in smartphones," and is "used by the military to steer ...

Magnetotactic bacteria synthesize magnetic iron nanominerals, which function as tiny compasses that allow the microbes to navigate using Earth's geomagnetic field. Earth's iron cycle is a very ...