Deep beneath the ocean floor, ancient sediments hint that Earth’s magnetic field sometimes changed far more slowly than expected.

Earth's magnetic field is generated by the churn of its liquid nickel-iron outer core, but it is not a constant feature. Every so often, the magnetic north and south poles swap places in what are ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Using 11 years of magnetic field measurements from the ...

Lightweight and completely self contained, the easy to use Model 4180 ELF Meter is ideal for commercial or laboratory use. The Model 4180 accurately measures Extremely Low Frequency Magnetic Fields ...

We’re used to Hall effect devices as proximity sensors in mechanical systems, used to provide detection of something that has a magnet attached to it. However it’s easy to forget that the devices that ...

There is wide consensus among climate scientists that the Earth is warming and that humans directly contributed to this change by burning fossil fuels. Pole reversals have occurred several times in ...