The Is-Ought Problem, identified by Hume, notes that descriptive facts cannot logically entail normative claims.

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

In 1971, the first email was sent.

Your brain can store the equivalent of millions of gigabytes of information.

Sound travels faster in solids than in air.

Loss aversion makes losses feel about twice as painful as equivalent gains feel good.

The last guillotine execution happened in 1977.

Emotional appeals are often more persuasive than logical arguments.

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