They’ve flown on high-profile interplanetary and more modest low-Earth-orbiting missions, but in all cases the ubiquitous fluxgate magnetometers that scientists use to measure the intensity of a ...

Have you ever wondered how a magnetometer works? We sure have, which was why we were happy to stumble upon this article on simple homebrew fluxgate magnetometers. As [Maurycy] explains, clues to how a ...

This is the story of how the world travels of a 19th century explorer, two bar magnets and the World War II hunt for enemy submarines led to the invention of the portable fluxgate magnetometer. And ...