21-12-07 在英文中，眼镜度数的单位是diopter /dapt(r)/（屈光度）。 释义：a unit for measuring the power of a lens to refract light (= make it change direction) 屈光度 大家在视力检验报告上就能看到屈光度，如果是-3.5D，这里的D就是diopter的缩写。而-3.5D代表的也就...

16-03-15 Terahertz radiation is a relatively unexplored slice of the electromagnetic spectrum, but it holds the promise of countless new imaging applications as well as wireless communication networks with extremely high bandwidth. The problem is that there...

15-04-01 Zhou Qunfei, chairperson of Lens Technology, has ousted Chan Laiwa, chairwoman of Hong Kong Fu Wah International Group, as the wealthiest woman in China. 蓝思科技董事长周群飞已超越香港富华国际集团女董事陈丽华成为中国女首富。 A file photo of Zhou Qun...

14-06-17 A teenager lost a contact lens while playing basketball in his driveway. After a fruitless search, he told his mother the lens was nowhere to be found. Undaunted（勇敢的） , she went outside and in a few minutes, returned with the lens in her hand....

14-04-16 By depositing an array of tiny, metallic, U-shaped structures onto a dielectric（非传导性的） material, a team of researchers in China has created a new artificial surface that can bend and focus electromagnetic waves the same way an antenna does. T...

12-08-27 Applied physicists at the Harvard School of Engineering and Applied Sciences (SEAS) have created an ultrathin, flat lens that focuses light without imparting the distortions of conventional lenses. At a mere 60 nanometers thick, the flat lens is ess...

11-03-22 Engineers at Ohio State University have invented a lens that enables microscopic objects to be seen from nine different angles at once to create a 3D image. Other 3D microscopes use multiple lenses or cameras that move around an object; the new lens...