Arjun Ruparelia

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Tristan Harris, Google’s former design ethicist, told the US Senate that the pull-to-refresh gesture on nearly every app works like the lever of a Las Vegas slot machine, and he has long warned that we now reach for our phones around 150 times a day without ever calling it gambling

Jun 6, 2026

In 1969, László Bélády and two IBM colleagues published a paging-machine anomaly showing FIFO could make four memory frames suffer ten page faults after three frames suffered nine, leaving generations of operating-systems students staring at the moment more memory became the wrong answer

Jun 6, 2026

In 2016, archaeologists dated two rings of snapped stalagmites in France’s Bruniquel Cave to 176,500 years ago, evidence that Neanderthals had walked 336 metres into darkness with fire and built architecture deep underground long before modern humans reached Europe

Jun 6, 2026

Otto von Bismarck was 74 when Germany adopted the world’s first national old-age social insurance program in 1889, setting the pension age at 70 after years of fighting socialists with bans, laws, and a promise few workers would live long enough to use

Jun 5, 2026

When cosmonaut Valeri Polyakov stepped out of his Soyuz capsule in March 1995 after 437 consecutive days aboard Mir, doctors recorded him at several centimetres above his pre-flight height, and his spine had become so unaccustomed to gravity that the recovery team carried him to a chair rather than risk the compression of letting him walk.

Jun 5, 2026

When Bell Labs engineer Karl Jansky pointed a rotating antenna at the sky in 1932 looking for sources of transatlantic radio static, he kept picking up a faint hiss that peaked every 23 hours and 56 minutes, and he eventually realized he had become the first human to hear the center of the Milky Way.

Jun 5, 2026

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