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[April 8th] Austrian scientists create world’s smallest QR code that can store data for centuries

TỰ HỌC / By

Scientists at Vienna University of Technology in Austria have created a QR code smaller than most bacteria, offering a potential breakthrough in ultra-dense, long-term data storage. Developed with data-storage firm Cerabyte, the QR code measures 1.98 square micrometers and was engraved onto a ceramic surface using beams of charged particles. Each pixel is just 49 …

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[April 7th] Vietnam plans to reclaim sea and build artificial islands off Phu Quoc

TỰ HỌC / By

Vietnam’s An Giang Province is pushing ahead with plans to reclaim approximately 4,500 hectares of sea and construct artificial islands along its southwestern coastline, in what would rank among the country’s most ambitious land reclamation efforts. The project spans four clusters stretching from Phu Quoc, Vietnam’s largest island and a major international tourism destination, to …

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[April 6th] Why Monaco’s Princess Charlene can wear white when meeting Pope Leo XIV

TỰ HỌC / By

Princess Charlene attracted attention during Pope Leo XIV’s visit to Monaco by wearing white, a privilege granted to only a small number of Catholic royal women around the world. Princess Charlene, 48, exercised the privilège du blanc, the right to wear white instead of black in the presence of the Pope when meeting Pope Leo XIV with …

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