Why Is Blowing Cold And Breathing Hot?

LBC Studio

Mystery Hour Question

Why does blowing and breathing have different temperatures?
 
Laura, Kingston


Answer

Name: Andrew, Herne Hill
Answer: When you blow through your mouth, it comes out at the temperature of the body, if you purse your lips it comes out much colder, it’s called the Venturi effect. It comes out colder, it’s a natural phenomenon which was observed in the 19th century by Venturi in Italy. 
James O'Brien head in hands

'Which EU Law Are You Most Looking Forward To Losing?'

Chris Hunter talking

Terror Expert: Don’t Forget How Rare These Attacks Are

James O'Brien Fist

James O'Brien's Perfect Response To People Stirring Up Hate

Nigel Lang

The Man Branded A Paedophile Because Of A Typo By Police

Comments

Loading...