May 10, 2021

‘The SOS in my Halloween decorations’

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By Jon Kelly From BBC Inside a notorious Chinese labour camp, a dissident smuggled an SOS letter into the Halloween decorations he was forced to manufacture. Years later, a woman in the US opened a box of fake tombstones and found his note. It seemed impossible at that moment that they would ever meet. A […]

Chinese banknotes stamped with QR codes breach great firewall

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By Alex Magdaleno From Mashable Centuries of invaders couldn’t break the Great Wall of China, but a Chinese yuan can. Well, the “Great Firewall,” at least. A series of one yuan banknotes became a whole lot more valuable after being stamped with a quick response (QR) code — a type of matrix barcode that, when […]