Abstract: In this paper, a high-efficiency C-band all-cavity extraction A10 relativistic magnetron is proposed. To improve the efficiency of the magnetron, a cathode endcap structure and cathode ...

The San Francisco Bay Area has produced some of the most beloved and legendary rock bands of all time. Here's a list our 20 best from the region. Listed in alphabetical order.

Often strung from utility poles or buried beneath our feet, copper wire has played a critical role in powering America’s electrical grid for more than a ...

Lawmakers urge scrutiny of EchoStar's $40B deals with AT&T and SpaceX over antitrust concerns in wireless and satellite ...