Abstract: A dimmable compact fluorescent lamp using a commercial triac dimmer is presented. To achieve a power factor of 0.93 at full intensity, a valley-filled charge pump passive power factor ...

In this article, we’re discussing the laptops available in stores with mini LED displays. There’s a good chance you’re already familiar with mini LED panels from televisions, where they’ve been ...

Minnesota has a Democratic triplex and a divided trifecta. The Democratic Party controls the offices of governor, secretary of state, and attorney general. The Democratic Party controls the upper ...

WASHINGTON (AP) — The U.S. and global economies will grow a bit more this year than previously forecast as the Trump administration's tariffs have so far proved less disruptive than expected, the ...

The Great Barrier Reef is a site of remarkable variety and beauty on the north-east coast of Australia. It contains the world’s largest collection of coral reefs, with 400 types of coral, 1,500 ...