The Future of TV: Super Prisms and Robotic Muscles

Scientists in Switzerland have developed arrays of tiny “super prisms” controlled by robotic muscles to bring real color to television screens. Known as “electrically tunable diffraction gratings,” the devices manipulate light to reproduce the full spectrum of colors on screen, impossible with today’s technology.

“Today’s displays can only reproduce a limited range of colours,” said Manuel Aschwanden, of the Swiss Federal Institute of Technology in Zurich and one of the team behind the work. The new technology, he said, can display all colors.

The diffraction gratings device could also be used to make computer displays with the same resolution as high-end LCDs.


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