His wife was pushing him in that wheelchair one day when they saw the Zeen, a mobility device that allows its user to sit, stand and even walk upright. They had to try one, and sure enough ...

Kay Hacklander was one of the first patients in the Twin Cities to receive the device called a "Vivistim" implant through Allina Health. It's an electrical stimulator that runs up the side of the neck ...

Semiconductor optics, heterojunctions, quantum wells, superlattices and resonant tunneling. Field-effect and potential-effect devices. Hot-electron devices. Microwave devices. COURSE GOALS: The course ...