EUGENE, Ore. -- Feb. 19, 2021 -- Friction caused by dry Martian dust particles making contact with each other may produce electrical discharge at the surface and in the planet's atmosphere, according ...

Bits of material levitating against gravity, a stream of water deflected by invisible means, sparks of light appearing out of thin air; with observations like those, it’s a wonder that the early ...

"Originally published in ... Popular mechanics ... For the average boy, with few tools, and a desire to learn the principles underlying the construction of the more common electrical ...