The evidence is solid but not definitive, as the conclusions rely on the absence of changes in spatial breadth and would benefit from clearer statistical justification and a more cautious ...

Abstract: This work presents a novel procedure to address the synthesis of metalens antennas with tight requirements in near-field complex scenarios. A model to compute the near field is introduced ...

We all have to-do lists, and sometimes working through them takes longer than we expect.  Roughly 15 years ago, I was working on a lot of large-scale building projections and featured some of them in ...

Abstract: Intelligent reflecting surface (IRS) is an enabling technology to engineer the radio signal propagation in wireless networks. By smartly tuning the signal reflection via a large number of ...

The debate over whether federal agents should be allowed to cover their faces with masks has become a flashpoint as the government heads for a partial shutdown. By Luke Broadwater Luke Broadwater is a ...

Judge rules that law discriminates against federal government because it does not apply to state authorities A federal judge on Monday blocked a California law from going into effect that would ban ...

But the state can require federal agents to display identification, the judge said. The Trump administration had asked the court to block both laws. By Laurel Rosenhall Reporting from Sacramento A ...