Most propellers push water in one direction and rely on a rudder to do the rest, but the Voith Schneider propeller throws out that entire playbook. Here's how vertical blades and constantly changing ...

Abstract: This paper presents a magnetic-geared permanent magnet synchronous motor (MG-PMSM), which is an integrated structure composed of a permanent magnet synchronous motor (PMSM) and a magnetic ...

Abstract: An efficient propeller design framework facilitates automated propeller design, enhancing the propulsion efficiency of underwater vehicles and ships with lower time and labor costs, ...

Proposition 36 would reclassify some misdemeanor theft and drug crimes as felonies. The measure would also create a new category of crime — a “treatment-mandated felony.” People who don’t contest the ...

Many cities, including San Francisco and Los Angeles, limit the amount a landlord can raise the rent each year — a policy known as rent control. But for nearly 30 years, California has imposed limits ...