Abstract: At terahertz (THz) band, the beam tunnel size becomes very small and requires an in-depth analysis of electron beam focusing behavior for a THz traveling wave tube (TWT). A nonlaminar beam ...

Abstract: For an energy-efficient adaptive data rate (ADR) algorithm in a long-range wide-area network (LoRaWAN) system, an asymptotic analysis on the spreading factor (SF) by the ADR-MIN algorithm ...

The defense secretary has disparaged restrictive rules for opening fire that are aimed at reducing the risk of mistakes and civilian casualties. By Charlie Savage Charlie Savage has written about ...

Big oil shocks, a generation of economists has been taught, are a relic of the distant past, when energy production was concentrated in the Middle East and the world economy was not so ...

Republicans face a growing conundrum on the 'SAVE America Act' 7 devices you should never leave plugged in, according to an electrical engineer Jack White responds after quotes about Taylor Swift ...