Abstract: Measuring the quantum fluctuations of a laser source is the first task in performing continuous variable quantum key distribution protocols. The quantum fluctuations of the source are ...

This article contains affiliate links. We may earn a small commission on items purchased through this article, but that does not affect our editorial judgement. Black Friday has unleashed some of the ...

Breakthrough uses cutting-edge system that harnesses adaptive optics, micro-mirrors Unlike SpaceX’s Starlink constellation, which uses thousands of low-Earth orbit satellites around 550 km altitude ...

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Old mines back on the drawing board, previously unloved projects seeing millions in fresh investment and M&A deals that show precious metals stocks continue to see opportunity in sky-high prices. 2025 ...

Abstract: An unauthorized recording of a secret conversation may cause an information leakage accident. Base on the sound interference principle, the voice signal detection technology and the remix ...

An advanced laser has been created using just leaves and peanuts. Scientists made the state-of-the-art technology entirely from biomaterials – birch leaves and peanut kernels. They say the ...