British Inventor Colin Furze Builds Giant Metal Bum To Fart At France

Some inventions are practical attempts to solve real problems. Others are essentially frivolous, but end up making a genuine difference to our lives.

Some are neither, but are really funny anyway.

Enter British Inventor Colin Furze, and his latest contraption: a giant bum designed to launch a gigantic fart at France.

The tinkerer, who has also been responsible for the world's fastest toilet, created the enormous metal arse and fitted it with a pulsejet, after he realised that the jet sounded just like a bottom burp.

Furze thinks the resulting fart was loud enough to be heard across the Channel.

Here's the fart itself:

Here's how he made it:

And here's a timealapse of him doing just that: