I was watching Ben Krasnow making iron nitride permanent magnets and was struck by the fact that about half of the video was about making a magnetometer – a device for measuring and characterizing the ...

The devastating flood that swept through Camp Mystic in Texas this month is every parent’s worst nightmare. Hours or days of fear and uncertainty, feeling powerless to help, and, for the families of ...

Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. The devastating flood that swept through Camp Mystic in Texas this month is every ...