Abstract: The proposed seven-level hybrid multilevel inverter integrates a three-level flying capacitor with a cascaded H-bridge inverter. The main goal is to develop a seven-level topology that ...

Yes the darkest day of the year is here, but that means brighter days are ahead. Sunday is the shortest day of the year north of the equator, where the solstice marks the start of astronomical winter.

Today marks the shortest day and longest night of the year as the sun reaches its lowest point in the Northern Hemisphere sky. When you purchase through links on our site, we may earn an affiliate ...

An island getaway certainly sounds appealing, but it usually entails embarking on a long-haul flight heading somewhere tropical. And while that's great, if you're in the U.K., you can reach your ...

Shortest path algorithms sit at the heart of modern graph theory and many of the systems that move people, data, and goods around the world. After nearly seventy years of relying on the same classic ...

Meteorologists consider the arrival of December as the start of winter, the beginning of the coldest three months of the year. Astronomically, the season started a little after 10 a.m. on Sunday, ...

With temperatures hovering around 30 degrees at kickoff on Sunday, it was a cold day in Philadelphia, but the good news for Eagles fans is that they didn't have to sit around in the cold weather for ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. The Northern Hemisphere’s shortest day and longest night of ...

The shortest day of the year is not something to celebrate, you might think. Something to get through, like a layoff or a cold, in hopes of better — or at least longer — days to come. But the ancients ...

FAIRBANKS, Alaska (KTUU/KTVF) - Dec. 21 marks the shortest day of the year. In Fairbanks, the winter solstice is accompanied by cold temperatures and less than four hours of daylight. But this week, ...

Cold temperatures and wintry weather in Western North Carolina have served as omens of the coming winter. The winter solstice, which is just over a week away, signifies the beginning of the winter ...