The Daily Galaxy on MSN1d
NASA Is Tracking a Massive Anomaly in Earth’s Magnetic Field — And It’s Getting Worse
A vast and evolving anomaly in Earth’s magnetic field, situated above South America and the southern Atlantic Ocean, ...
ScienceAlert on MSN2d
NASA Is Watching a Huge, Growing Anomaly in Earth's Magnetic Field
NASA has been monitoring a strange anomaly in Earth's magnetic field: a giant region of lower magnetic intensity in the skies above the planet, stretching out between South America and southwest ...
BBC4y
Detecting and drawing magnetic fields
A magnetic field is invisible, but it can be detected using a magnetic compass. A compass contains a small bar magnet on a pivot so that it can rotate. The compass needle points in the direction ...
Phys.org7d
Magnetic 'microflowers' enhance local magnetic fields
Get Instant Summarized Text (Gist) Micrometer-sized, flower-shaped structures made of a nickel-iron alloy can locally enhance magnetic fields by concentrating field lines at their center. The ...