The first domain name ever registered was symbolics.com on March 15, 1985.

Solar panels are made from silicon wafers and convert sunlight into electricity through the photovoltaic effect.

Lake Baikal is the deepest freshwater lake in the world.

The first electronic programmable computer was kept secret by Britain until the 1970s — Colossus, built to crack Nazi codes.

The '@' symbol was chosen for email addresses because it was the least-used character on keyboards at the time.

The barnum effect explains why vague statements feel personally accurate.

In the 1800s, 'computer' was a job title — humans who performed calculations.

The Chunnel carries both passenger and freight trains.

The Code of Hammurabi contained 282 laws covering trade, property, family, and labor — with punishments scaling by social class.