Abstract: The ability to steer light beams is the key technology of optical phased array (OPA). In this paper, we demonstrate a general framework for the inverse design of optical antennas, which ...

Abstract: The conventional sector beam antenna array used in communication system suffers from the reduced signal strength as its distance to the receiving terminal gradually increases. In response to ...

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Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China ...

United States President Donald Trump’s administration has asked the Supreme Court to let it go ahead with a ban on passports stating the gender identities of transgender and non-binary citizens. The ...

According to figures released on Tuesday by Victorian Government, 1,362 machetes and knives have been surrendered since new laws targeting the weapons came into force on September 1. An additional ...

The Department of Homeland Security's mandate to carry out domestic surveillance has been a concern for privacy advocates since the organization was first created in the wake of the September 11 ...

Amazon's commitment to being a good neighbor in eastern Oregon takes shape through community programs that create lasting impact, address local needs, and open new opportunities. In 2024 alone, this ...

COLLEYVILLE, Texas — Three Colleyville firefighters were injured Wednesday afternoon while battling a structure fire, officials said. The fire was reported at 4:58 p.m. in the 6100 block of Emerald ...

The original version of this story appeared in Quanta Magazine. Imagine that someone gives you a list of five numbers: 1, 6, 21, 107, and—wait for it—47,176,870. Can you guess what comes next? If ...

The data, from thousands of coal-burning power plants, oil refineries, steel mills and other industrial facilities, is the country’s most comprehensive way to track greenhouse gases. By Maxine Joselow ...

As demand for artificial intelligence (AI) technology boosts construction and proposed construction of data centers around the world, those computers require not just electricity and land, but also a ...