So named because they're often extracted from whipped cream cans.
Nitrous oxide is a common recreational drug. It was Thomas Beddoes and Humphrey Davy who pioneered its use, at the Pneumatic Institute on Dowry Square, coining the name "laughing gas" and inviting friends like Samuel Taylor Coleridge to give it a go, so I don't suppose we can criticise the local youth too much...
GPS Coordinates:
51.46102, -2.62860
Location: Clifton