Abstract: In this article, an adaptive accelerated derivative-free optimization algorithm is developed. A composition of noncommutative maps based on objective function evaluations is used to ...

Select an option below to continue reading this premium story. Already a Honolulu Star-Advertiser subscriber? Log in now to continue reading. The Geminids are unique because they originate from the ...

Want your business to show up in Google’s AI-driven results? The same principles that help you rank in Google Search still matter – but AI introduces new dimensions of context, reputation, and ...

Abstract: This letter investigates a continuous-variable quantum key distribution (CV-QKD) protocol based on Gaussian-modulated coherent states over unmanned aerial vehicle (UAV)-based free-space ...

LIGO is an observatory that detects gravitational waves — ripples in spacetime caused by massive accelerating objects like merging black holes. It was the first to confirm their existence, supporting ...

MAUI SPACE SURVEILLANCE COMPLEX, Hawaii—China is “intentionally trying to do things” in space “so we don’t see it,” from changing the brightness of their satellites to maneuvering in what it believes ...

On a scorching July afternoon in Shanghai, dozens of Chinese students hunch over tablet screens, engrossed in English, math and physics lessons. Algorithms track every keystroke, and the seconds spent ...

Our research is supported through a 7-km atmospheric optics testbed with continuously operating sensors for measurement of atmospheric turbulence strength and meteorological data. The lab's research ...

(Nanowerk News) Metalenses, composed of subwavelength nanostructures that manipulate light, are celebrated for their potential to replace bulky optical components. Their unique functionalities—ranging ...