Iowa weather: Winter storm warning remains in effect; winds pick up, temps drop

A s the snow winds down, winds will continue to gust overnight across Iowa, most of which remains under a winter storm ...

The Pink Floyd song that David Gilmour says marked the beginning of the end for the band

Comfortably Numb itself began as a Waters tune titled The Doctor, which found the bassist rhyming ‘listen’ with ‘physician’, ...

‘The Grand Ole Opry,’ a fixture in country music, turns 100

The famous country music venue and radio show “The Grand Ole Opry” turns 100 years old today. Grand Ole Opry host Charlie ...
IEEE

Q-band Helix Traveling-Wave Tube for the Next Generation Wireless Communications

Abstract: In this paper, a variable pitch helix slow-wave structure (SWS) is designed for Q-band traveling-wave tube (TWT), and its performance is studied by simulation and experiment. In the ...