Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Khadija Khartit is a strategy, investment, ...

We encounter magnetic field sensors everywhere today – but few of us know it. These sensors make sure washing machines run concentrically, that headlights automatically adjust to the correct angle if ...

Scientists have developed a high-resolution magnetic line camera to measure magnetic fields in real time. Field lines in magnetic systems such as generators or motors, which are invisible to the human ...