Washington, D.C., has spent the past five years fixating on rare earths—where they’re mined, how they’re processed, and who controls the magnet supply chain. That attention is overdue. But the ...

Regular generator maintenance. A dirty or neglected engine can actually emit more CO than a well-maintained one. Making sure ...

Abstract: In this paper it is proposed that permanent magnet vernier generators be used in a small-scale passive wind generator system. Various aspects such as the machine selection, design ...

Liquid nitrogen isn’t exactly an everyday material, but it’s acquired conveniently enough to be used in extreme overclocking experiments, classroom demonstrations, chemistry and physics ...