The Apollo guidance computer that landed astronauts on the Moon had less power than a modern calculator.

Nintendo was founded in 1889 — originally as a playing card company.

The invention of dialysis allows patients with kidney failure to survive.

The electric light bulb is often attributed to Edison, but at least 22 inventors worked on incandescent lights before him.

Airplane black boxes are painted bright orange for visibility.

The world's first programmable computer, the Colossus, was built secretly in Britain during World War II to decode Nazi messages.

The QWERTY keyboard layout was designed partly to slow typists down and prevent typewriter jams.

Iceland runs almost entirely on geothermal and hydroelectric energy — it is one of the greenest countries on Earth.

The first computer bug was an actual bug — a moth found trapped in a Harvard Mark II relay in 1947.