Researchers at Johns Hopkins Medicine say they have used a "zap-and-freeze" technology to watch hard-to-see brain cell communications in living brain tissue from mice and humans. Subscribe to our ...

Abstract: Pulse width modulation (PWM) techniques are widely used to control the switching of semiconductors in power converters. This paper presents a comprehensive overview of PWM techniques for two ...

A vulnerability has been discovered in the bacteria that cause Lyme disease. For decades, Lyme disease has frustrated both physicians and patients alike. Caused by the corkscrew-shaped bacterium ...

Abstract: As time passes, multilevel inverters (MLIs) have gained more popularity due to advanced structures in voltage conversion from dc to ac. The high-quality output voltage, modularity, and ...