A total lunar eclipse happened early Friday morning, and it was visible across all of North America, including New England, but only if you were lucky enough to escape the cloud cover. It was the ...

NORFOLK, Va. — In the final minutes of Thursday, March 13 and the early hours of Friday, March 14, 2025, a remarkable celestial event will unfold — a total lunar eclipse, often referred to as ...

The film discusses the function and operation of microwave oscillators in radar systems, focusing on the importance of oscillators like the magnetron and reflex velocity modulated tubes.

Researchers at the University of Twente, in collaboration with the City University of Hong Kong, have designed a cutting-edge programmable photonic chip in a thin-film lithium niobate platform, an ...

China's new Large Phased Array Radar (LPAR), located in Yunnan province, extends surveillance capabilities over India, especially its missile tests. With a range of over 5,000 km, this advanced radar ...