Nitrous Oxide

What was nitrous oxide?

Nitrous oxide, also known as laughing gas, is an anaesthetic. It was considered too weak to be suitable for major surgical operations.

Who discovered nitrous oxide?

Humphry Davy discovered the anaesthetic properties of nitrous oxide, although it was American dentist Horace Wells who first used it as an anaesthetic to extract a tooth.

When was nitrous oxide first used as an anaesthetic?

Nitrous oxide was first used as an anaesthetic in 1844.