Abstract: Recently, a new concept for a gyrotron backward-wave oscillator (gyro-BWO) with an ultra-broadband frequency tunability based on the use of an electrodynamic system in the form of an open ...

Abstract: Global navigation satellite system (GNSS)/inertial navigation system (INS) integration is widely used for train positioning, but railways tunnels and mountains can interfere GNSS signals and ...

Hi, I’m Luke! I’m passionate about buying, selling, breeding, and keeping goldfish — and I’ve built a space to share everything I’ve learned along the way. Whether you’re new to goldfish keeping or a ...

For the first time ever astronomers have witnessed a budding star system emerge for the cosmic fog.

ARLINGTON, Va. — U.S. Army Program Executive Office (PEO) Enterprise and several stakeholder partners successfully deployed initial capability on Sept. 19 for the Foreign Military Sales – Army Case ...

Votebeat is a nonprofit news organization reporting on voting access and election administration across the U.S. Sign up for Votebeat Texas’ free newsletter here. Darcy Hood mailed her voter ...

MLB announced Tuesday that the Automated Ball-Strike Challenge System will be fully implemented in both leagues throughout the upcoming season. The general procedure for challenging balls and strikes ...