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ETHZ logo consisting of 2,800 nano OLEDs compared with human cell. Click for info.
This ETH Zurich logo consists of 2,800 nano light-emitting diodes and, at a height of 20 μm, matches the size of a human cell. A single pixel measures around 0.2 μm (200 nm). Image: Amanda Paganini / ETH Zurich.
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