President Trump disregards them, technology is remaking them — in an age of upheaval, our maps are in flux too ...
Happy Wuthering Heights day to all who celebrate. The hotly anticipated adaptation of Emily Brontë’s one and only novel has finally landed in cinemas, bringing with it a slew of mixed reviews – but ...
Abstract: This article introduces a radial rectangular concentric grating (RRCG) backward wave oscillator (BWO). The design utilizes a radial sheet electron beam (RSEB). It aims to overcome the ...
Abstract: This paper proposes a wideband coaxial line to rectangular waveguide transition to use in high-power microwave systems. The proposed structure consists of a supershape excitation probe in a ...