Phil Collins jetted across the ocean to perform in two Live Aid concerts, but it wasn’t without drama ...

New images obtained by CNN show the Kennedy Center signage with President Donald Trump’s name removed, confirming a sworn court declaration from the arts center’s executive director Matt Floca that ...

(CNN) — New images obtained by CNN show the Kennedy Center signage with President Donald Trump’s name removed, confirming a sworn court declaration from the arts center’s executive director Matt Floca ...

做光学设计的同行都懂，好镜头是“调”出来的，也是“等”出来的。Zemax里反复改曲率和厚度，Lumerical里扫描周期单元的相位响应，一个参数组合跑下来，工作站转一整天是常态。更别提无透镜成像的重建调参、叠层成像的扫描校正，每一步都靠手动调试和 ...