On an autumn day in 1879, Edwin Hall was at his bench in Johns Hopkins University's physics lab, a converted kitchen off Baltimore's North Howard Street called the Annex. The third-year graduate ...
Members can download this article in PDF format. High-voltage systems including electric vehicles, industrial robots, communications infrastructure equipment, and renewable-energy installations often ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback