
Ray Tomlinson sent the first email in 1971, using the @ symbol
Ray Tomlinson sent the first email in 1971, using the @ symbol
The first text message said 'Merry Christmas' — sent December 3, 1992
"First text message: 'Merry Christmas', December 3, 1992."
The first computer bug was an actual bug — a moth found in a Harvard Mark II relay in 1947
A moth caused a malfunction in the Harvard Mark II computer in 1947
The first alarm clock could only ring at 4 AM — invented by Levi Hutchins in 1787
Levi Hutchins created the first alarm clock in 1787, set to ring at 4 AM
The first stock exchange opened in Amsterdam in 1602 — to trade Dutch East India Company shares
Amsterdam's first stock exchange, 1602, facilitated Dutch East India Company trading
Velcro was inspired by burrs sticking to a dog's fur — invented by George de Mestral in 1941
George de Mestral's 1941 invention: Velcro, inspired by burrs and dog fur
There are more possible arrangements of a deck of cards than atoms on Earth — 52! ≈ 8 × 10^67
Card arrangements vastly exceed Earth's atoms: 52! ≈ 8 × 10^67
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