The telephone enabled long-distance voice communication.

The invention of the hypodermic syringe enabled effective drug delivery.

Photography was originally called 'sun painting' — the word comes from Greek for 'light writing.'

The Pentagon has plans prepared for zombie outbreaks as training scenarios.

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 flashlight provided portable electric light.

QWERTY keyboard layout was designed in 1873 partly to separate commonly used letter pairs and reduce mechanical jamming.

The mechanical clock improved timekeeping accuracy.

Moore's Law observed that transistor density on chips doubles approximately every two years — this held for roughly 50 years.