For anyone who has experienced a panic attack, you know they’re hell. Panic attacks are sudden surges of fear, panic, or anxiety (and often all simultaneously). They cause both negative physical and ...

Can cities continue to grow without destroying Earth? A new paper from ICTA-UAB, Spain, offers insight into this complex ...

In order to increase the efficiency of permanent magnet synchronous motor (PMSM) and controller systems, an optimal efficiency control strategy is proposed. Base ...

The large-scale integration of renewable energy brings a great challenge to the voltage stability and reactive power balance of power grids. Unpredictable, intermittent, and irregular renewable energy ...