Abstract: In many aviation actuator systems, permanent magnet synchronous motor (PMSM) drives are used because of their high efficiency and compact design. Considering the aerodynamic loads in this ...

We have built a world around us where boredom has become almost impossible to experience. Within seconds of feeling under stimulated, we can summon infinite entertainment, answers, and companionship.

Mathematician and broadcaster Hannah Fry reflects on how a cancer diagnosis changed her outlook on ageing, confidence and why ...