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World's smallest QR code can store data for thousands of years — but you need an electron microscope to see it
Scientists have created the smallest QR code in the world, measuring just 3.07 × 10⁻⁹ square inches (1.98 square micrometers). It can preserve data for thousands of years and it's so small that you ...
This week's science news was bursting with discoveries of archaeological treasures, starting with the revelation that a foundation stone for a Czech garden barn was actually a Bronze Age spearhead ...
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