Natural crystals fascinate with their vibrant colors, their nearly flawless appearance and their manifold symmetrical forms.

One of the most taken-for-granted pieces of equipment on a boat is the magnetic compass. The compass is the basic navigational instrument aboard a boat, especially when out of sight of land.

Bogong moths use stars and Earth’s magnetic field to navigate epic migrations - revealing the first known stellar compass in ...

An Australian moth follows the stars during its yearly migration, using the night sky as a guiding compass, according to a ...

The magnetic north pole where the magnetic compass points is not in the same location as the geographic north ... Over time—we’re talking years—variation changes—but geography (as in the ...

This Arduino library is a small embedded C99 implementation of the World Magnetic Model published by NOAA for calculating the magnetic field declination, or variation, at any point on the world's ...

Loggerhead turtles “dance” when exposed to food-associated magnetic fields, and their magnetic map may help them return to specific areas after long migrations. CNN values your feedback 1.

Physics: a magnetic compass, a horseshoe magnet, globes showing magnetic variation and telegraphic apparatus (below). Coloured engraving by J. Emslie, 1850, after himself.

The study presents an intriguing hypothesis: these birds employ only the Earth’s magnetic dip and variation to identify their position and set their direction. This revelation is a significant stride ...

But a pigeon’s own magnetic compass could not, by itself, ... The direction and variation of this circling can be felt by various man-made instruments, such as the gyrocompass.