Ferrofluid is a liquid that becomes magnetized in the presence of a magnetic field — forming spiked patterns.

In the 1960s, Project Orion explored the possibility of nuclear-powered spacecraft.

Fact #995 · Technology

The steam engine played a major role in the Industrial Revolution.

Fact #68 · Technology

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

Fact #3561 · Technology

Approximately 80% of information stored on computers is in English.

Fact #3446 · Technology

The internet connects billions of people instantly.

Fact #3099 · Technology

The first webcam was invented to check if a coffee pot in a Cambridge lab was full without walking downstairs.

Fact #3790 · Technology

Photography was originally called 'sun painting' — the word comes from Greek for 'light writing.'

Fact #4421 · Technology

The solar panel converts sunlight into electricity.

Fact #1584 · Technology