Ship attacked by Yemen's Houthi rebels sinks in the Red Sea with only 6 of 25 aboard found ...

Want to Know About Interior Design Style? You Must Watch.

Of the many Spanish-made firearms to emerge throughout the 19th and 20th century, one of the most recognizable is the Star ...

Low current density sheet beam electron gun is very useful for compact planar travelling wave tube (TWT). In this paper, a planner low current density elliptical sheet beam electron gun is presented, ...

The sheet beam electron gun is one of the most important parts of a sheet beam traveling wave tube (SB-TWT). In this paper, a 220 GHz sheet beam electron gun is designed and optimized by using CST.