The Ashes 2023: Usman Khawaja shines in darkness as Australia top England on day three at Lord’s

The Ashes 2023: Usman Khawaja shines in darkness as Australia top England on day three at Lord's

Usman Khawaja led the way with an unbeaten 58 as Australia extended their lead in the second Test to 221 runs before rain halted play; England were bowled out for 325 in the morning at Lord’s; watch day four live on Sky Sports Cricket from 10.15am (first ball 11am) 19:15, UK, Friday 30 June 2023 … Read more

Development of robust optical structures made of darkness

Development of robust optical structures made of darkness

Top: Scanning electron microscope image of a metasurface that has developed point singularities. Bottom: experimental intensity profiles, labeled point singularities. Credit: Harvard John A. Paulson School of Engineering and Applied Sciences Optical devices and materials allow scientists and engineers to harness light for research and real-world applications, such as sensing and microscopy. Federico Capasso’s group … Read more