A new »fourier pixel« is simultaneously a screen and camera. It calculates nanostructures and can measure and send out light.
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For the past ten years, the whole smartphone industry has been struggling with the same problem, namely to set up the front camera without eating room on the screen, which has given us the infamous notch, then the punch, then the sensors hidden under the slab that make the selfies a little blur. A team from the ETH Zurich, the great Swiss polytechnic school, has just proposed a radical exit by designing a unique pixel that can both emit and capt…