Football World Cups, the world’s greatest sporting spectacles, don’t just kick off matches, they ignite something primal – and joyous. Stadiums turn into roaring theatres, and the official theme song ...

A record‑breaking pipeline of projects backed by more than $100 billion in funding shows the agency is betting big to stay ...

Add Yahoo as a preferred source to see more of our stories on Google. The first time Scott Montgomery heard the noise, his son thought it was a helicopter. “He kept asking, ‘What are those helicopter ...

A mysterious humming noise has been reported in neighborhoods across several US states, rattling homes and leaving residents struggling to sleep. The latest reports come from Vineland, New Jersey, ...

Bethany Allard is a Los Angeles-based shopping reporter at Mashable covering beauty tech, dating, sex and relationships, and headphones. That basically means she puts her hair through a lot, scrolls ...

If you have a thumping or whooshing sound in one or both ears that seems to follow a steady beat, you may have this rare form of tinnitus. Like regular tinnitus, you hear a constant sound that others ...

Abstract: This paper presents an isolated auxiliary power supply for medium-voltage power electronics systems. The proposed converter comprises two stages: a non-isolated ac/dc stage that connects ...

In high voltage input DC-DC converter, auxiliary winding of isolation transformer is usually used to supply power for control circuit. Due to the wide-range of input voltage, the variable output ...