Month: April 2009

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The Roman aqueduct at Segovia, built around the first century AD without mortar, still carried water into the 1970s, its 167 granite arches held together by nothing but the precise weight distribution of stones cut to fit each other within fractions of a millimeter.

Jun 10, 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

Jun 10, 2026

ARPANET sent its first message on 29 October 1969 from a lab at UCLA to a machine at Stanford, and the message was supposed to read ‘LOGIN’ — but the system crashed after the L and the O, meaning the first word ever transmitted over the network that became the internet was, by accident, ‘LO’.

Jun 9, 2026

In 1995, Microsoft shipped a cartoon-house interface called Bob, led by Melinda French, who married Bill Gates while it was in development — it demanded twice the memory of a typical home PC, sold roughly 30,000 copies, and was dead within a year, leaving behind the font Comic Sans and the animated assistant that became Clippy.

Jun 9, 2026

The Greenland shark grows about one centimetre a year, does not reach sexual maturity until around age 150, and a specimen carbon-dated by Danish researchers in 2016 was estimated to be at least 272 years old, meaning it was already swimming the North Atlantic when Mozart was composing symphonies.

Jun 9, 2026

French scientist Michel Siffre spent two months alone in a cave with no clock, no calendar, and no sunlight — and when his team finally told him the experiment was over, he thought he still had nearly a month left underground

Jun 9, 2026

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