Fiber optic cables transmit data as pulses of light and can carry thousands of simultaneous communications.

About 1% of people can see ultraviolet light under certain conditions.

Fact #2875 · Technology

More than 90% of the world's currency exists only digitally — not as physical cash.

Fact #3800 · Technology

The last guillotine execution happened in 1977.

Fact #1757 · Technology

Roughly 80% of people will experience back pain at some point in their lives.

Fact #2777 · Technology

Your brain can simulate future events before they happen.

Fact #2272 · Technology

Machine learning models are trained by adjusting millions of parameters based on patterns in training data.

Fact #4393 · Technology

People who maintain friendships outside their relationship report higher satisfaction.

Fact #2898 · Technology

The Phoenicians were skilled sailors and traders.

Fact #648 · Technology