Mike Marcum didn’t have a lab, funding, or a PhD. Just a pile of salvaged electronics — and a theory. One night in Missouri, he fired up his homemade device. It formed a vortex. He tossed in a screw.

The clocks aboard our icebreaker will be changed several times en route to Antarctica. It’s one of many things that make the ...

NTP is one of the most interesting and important, but all to forgotten, protocols that makes the internet tick. Accurate ...