[jambutty]

Originally Posted by WillowTheWhisp

Well I still reckon vacuum cleaners work by suction.

They do WillowTheWhisp.

But did you know that you can get compressed air to act just like a vacuum cleaner?

Take a long tube and part way down attach another tube to it at an angle. A bit like a capital Y. Blow air down the left hand part from top to bottom and it will suck air down the right hand part from top to bottom. It is quite a powerful suction too.