The hard problem of consciousness — why physical processes produce subjective experience — remains unsolved.

Social media platforms have more users than any religion has followers.

The internet routes data in 'packets' — small chunks that may take different paths and reassemble at the destination.

The last guillotine execution happened in 1977.

Predictive text algorithms are trained on vast corpora of text using statistical language models.

The first mechanical computer, the Difference Engine, was designed by Charles Babbage in 1822 but never fully built.

The first computer bug was a literal bug — Grace Hopper's team found a moth trapped in a Harvard Mark II relay in 1947.

The first video game ever sold commercially was Computer Space in 1971, before Pong.

In 1971, the first email was sent.