Scientists at Harvard have built a miniature device that can twist and tune light in real time. By rotating two stacked photonic crystals and adjusting their spacing with a tiny mechanical system, ...

(THE CONVERSATION) Images and videos from Minneapolis, Chicago and other U.S. cities show masked Immigration and Customs Enforcement and Border Patrol agents in military-style gear pointing weapons at ...

Abstract: Five-phase permanent magnet machines with current source inverters are preferred for safety critical areas, including aerospace and military industries, owing to superior torque density and ...

Researchers in the Department of Theoretical Physics at Tata Institute of Fundamental Research (TIFR), Mumbai, have discovered that instead of manipulating every component or modifying interactions in ...

Supporters of gun control measures often say their ideas are common sense, suggesting that nearly every American supports them. If you spend five minutes discussing the topic with people at Everytown, ...

Space vector modulation (SVM) is a sophisticated digital control technique that improves three-phase inverter performance over traditional sinusoidal PWM (SPWM). SVM’s higher DC bus utilization ...

Romania would become the first country in the world to impose government control and a hidden tax on citizens' private energy equipment, violating four European directives, if it adopts the draft law ...

The increasing penetration of distributed generation and the evolving requirements of smart grids have heightened the demand for fast, accurate, and robust reactive power control in Static Synchronous ...

Researchers in the United States have created a droop control strategy for grid-forming inverters that purportedly improves power system frequency stability. By using an exponential active ...