Netflix was founded as a DVD mail rental service — it didn't launch streaming until 2007.

The Global Positioning System (GPS) uses a minimum of 24 satellites to provide worldwide coverage.

Fact #4367 · Technology

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

Fact #3618 · Technology

Mark Twain was born when Halley's Comet appeared and died when it returned.

Fact #3211 · Technology

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

Fact #4377 · Technology

WiFi was partly developed using technology from radio astronomy research trying to detect exploding black holes.

Fact #4356 · Technology

The Trans-Siberian Railway is one of the longest railway lines in the world.

Fact #1513 · Technology

In 1971, the first email was sent.

Fact #1030 · Technology

The concept of email predates the internet — early forms existed on mainframe computer networks in the 1960s.

Fact #4354 · Technology