Abstract: In this article, a discrete duty ratio (DDR) control strategy is proposed to improve both power factor (PF) and transient response performance for boost power factor correction (PFC) ...

Abstract: This article presents a single-switch high step-up quadratic DC-DC converter for DC microgrid applications. The quadratic boost converter is integrated with switched capacitor cell along ...

Some 40 years ago, physicists noticed certain metals were conducting electricity in a bizarre way no one could explain. New ...

Now, like Snap, Google is also preparing to re-enter the market again. It's preparing new Android XR smart glasses with ...

A tingling sensation in the hands or feet is often harmless and temporary. But when it keeps returning, worsens over time, or comes with other symptoms such as weakness, headaches, vision changes, or ...

The Congo River is the second-largest river in the world, releasing an average of 40,000 cubic meters of water per second into the Atlantic Ocean. This huge discharge rate creates a large plume of ...

Electric charges on the boundaries of certain insulators are programmed by topology to keep moving forward when they encounter an obstacle, rather than scattering backwards and increasing the ...

AISpeech has introduced a new dedicated voice recorder in China, the TalkNote Flagship AI Recording Card, priced at 1,299 yuan (around $192). The device is designed to handle audio recording, ...

Doctors at a Mumbai hospital have successfully performed a rare surgery for a 75-year-old man, diagnosed with a large rectal polyp that was later confirmed to contain early-stage rectal cancer. The ...

Atrial fibrillation (AF) is the most common heart rhythm disturbance and is associated with substantial morbidity and mortality. The overall prevalence of AF varies from 2% to 5% of the general ...