How animals use Earth’s magnetic field to navigate is one of biology’s biggest unsolved mysteries. This study proposes a ...

From ancient civilizations to modern times, compasses have played an important role in helping people find their way. But with the advent of GPS and other advanced technologies, many people wonder if ...

The latest update to the World Magnetic Model includes new information on blackout zones, areas where compasses become unreliable due to the magnetic forces at play. Arctic travelers will have better ...

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This compass includes a sighting hole and notch so you can get accurate bearings, as well as a clinometer and a declination adjustment tool. The TruArc needle tilts up to 20° for balanced use anywhere ...

Dividers and compasses are drawing instruments that have been used since antiquity to measure distances, transfer lengths from one drawing to another, and draw circles. The Greek mathematician, Euclid ...

Learn about the collection of medieval stone disks found in Ukraine and why researchers are speculating on their role as solar compasses for Vikings. During their prime, the Vikings mastered the seas ...