To get familiar with how a compass works, hold it flat in the palm of your hand and turn your body in various directions. Watch as the floating needle moves.

New Atomic-Laser Compass Determines Direction of Magnetic Fields Optically. By ... Researchers at Harvard wanted a compass not only sensitive to the size of a magnetic field, but also its direction.

Monarch butterflies have a keen sense of direction, even on cloudy days. This is because they have a magnetic compass to direct their migration in addition to navigating by the position of the sun ...

With a compass, you can find out which way a magnetic pole is—and from that, you can approximate other directions such as where south, east and west are as well. On supporting science journalism ...

Even magnetic phone accessories can interfere with accuracy. ... it’s likely the compass is struggling to establish direction. Fortunately, GPS data typically takes over once you start walking.

Polarized light modulates light-dependent magnetic compass orientation in birds. Proceedings of the National Academy of Sciences , 2016; 201513391 DOI: 10.1073/pnas.1513391113 Cite This Page : ...

A species of Australian moth travels up to a thousand kilometers every summer using the stars to navigate, scientists said ...

The magnetic compass that birds use for orientation is affected by polarized light. This previously unknown phenomenon was discovered by researchers at Lund University in Sweden.