Long before robots could run or cars could drive themselves, mathematicians contemplated a simple mathematical question. They figured it out, then laid it to rest—with no way of knowing that the ...

The planar Hall effect is a tabletop diagnostic tool for special quantum properties useful in basic research and technological applications. Or so it was thought, because careful calculation by Kobe ...

Papaw would take out his compass and show you how to draw a perfect star inside a circle. He sat in the basement and invented at least one device on graph paper that Dupont bought from Papaw. The ...