Efficient light control: Meta-optics replace conventional lenses
Conventional curved lenses, which direct light by refraction in glass or plastic, are often bulky and heavy, offering only limited control of light waves. Metasurfaces, in contrast, are flat and ...
Daily Mail26d
Hidden signs of cataracts no-one can afford to ignore as cases of sight-robbing disease rise in under 50s - after Goldie Hawn's comments at the Academy Awards
The 79-year-old Oscar winner — presenting with Andrew Garfield — stopped partway through her presentation speech saying she was unable to read the teleprompter. Turning to Garfield she said ...