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ChipsTechRadar2 days ago
Smallest QR code built atom by atomResearchers at Monash University and the Czech Academy of Sciences built a QR code measuring 50 by 50 nanometers, using individual silver atoms placed with a scanning tunnelling microscope. The entire code is 800 times smaller than the previous record holder and roughly the size of a COVID-19 virus. It remains scannable by a mobile phone.
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