The story of the highly skilled workers who helped build Egypt’s Great Pyramid is emerging from a papyrus cache unearthed at the world’s oldest harbor On a summer afternoon around 4,600 years ago, ...

Abstract: Due to the multiscale characteristics of defects and strong background interference, the automation of solar cell surface defect detection is still a challenge. To address this problem, this ...

Abstract: Window design in overmoded waveguides that achieves both broadband and high power is a challenge in the vacuum electronic devices. Here, a broadband overmoded meta-surface-assisted window ...

For 5,000 years scholars, generals, and mystics have been fascinated by the Egyptian pyramids. That obsession persists in the modern age. Today the Pyramids of Giza are surrounded by desert. But 4,600 ...

It was dark and silent, with a chill in the air, as an army of police vehicles blue-lighted their way through the city, headed for one destination. If you told me at 6.20am that Merseyside Police were ...