Sedimentary beds of clay and quartz mud can form mudstone. Geological pressure compresses this into shale, a soft, friable ...

ATLANTA — Engineer and entrepreneur Dr. Lonnie Johnson created the billion-dollar toy that became a staple of childhood summers—but that success was only the beginning. From growing up in the ...

Abstract: In the theoretical research on electrodynamic suspension (EDS) trains, the real racetrack superconducting coils with width and thickness which are onboard magnetic field coils are always ...

Abstract: In this paper, a wireless charging system architecture is proposed and designed to charge the receiving coil installed on the hollow frame of the electric bicycle (EB) body through the ...