How does a magnetic compass work? Well, it’s all down to basic physics and human ingenuity. The key component of a standard baseplate compass is its magnetized needle, which is allowed to spin freely ...

At some point during our primary school careers, most of us probably constructed a simple compass, often by floating a ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Modern technologies like GPS and cell signal triangulation have made ...

MR. GILLIE'S book contains within its small compass all the information necessary for those who wish to understand the factors on which the efficiency of the magnetic compass depends. Among its merits ...

A magnetometer is a device that measures magnetism: the direction, strength, or relative change of a magnetic field at a ...