Standard QR codes hide three larger squares in their corners so scanners can orient them from any angle, while their strongest Reed-Solomon setting can restore roughly 30 per cent of damaged codewords, though not necessarily 30 per cent of the visible squareJuly 24, 2026
In 1843, Ada Lovelace described a brass-and-punched-card engine that could act on symbols as well as numbers, even composing music if harmony could be reduced to rules, inside seven translator’s notes three times longer than the paper itself Saving Tips June 10, 2026 In 1843, Ada Lovelace looked at Charles Babbage’s unbuilt Analytical Engine and described something stranger than a calculator. If the…