Distance - Travors

Researchers use flat lenses to extend viewing distance for 3D display

March 13, 2022 by Tony Grantly

Journal Reference: Fengbin Zhou, Feng Zhou, Yang Chen, Jianyu Hua, Wen Qiao, Linsen Chen. Vector light field display based on an intertwined flat lens with large depth of focus. Optica, 2022; 9 (3): 288 DOI: 10.1364/OPTICA.439613 Light field displays use a dense field of light rays to produce full-color real-time 3D videos that can be … Read more

Boris Johnson caught in photo from May 2020 fraternizing without social distance with 19 other people

December 20, 2021 by Paula Hooper

Boris Johnson caught in photo from May 2020 fraternizing without.wm

At first it was just a piece of news — which Boris Johnson refuted — but this Sunday the proof of that news emerged: a photograph showing the British Prime Minister, his wife, Carrie Symonds, and 19 other members of Johnson’s team in the garden. 10 Downing Street, the seat of Government, fraternizing, with cheese … Read more