Design and technology should be the subject where mathematical brainboxes and science whizzkids turn their bright ideas into useful products.

Designing aircraft and racing cars is an extremely exciting thing.

I just think things should work properly.

Apartments are getting smaller on a whole. Houses are getting smaller. People don't need great big vacuums anymore.

I made 5,127 prototypes of my vaccum before I got it right. There were 5,126 failures. But I learned from each one. That’s how I came up with a solution. So I don’t mind failure.

When decisions on nuclear power stations and runways are delayed and the government dilly-dallies, people think they aren't important.

Children want the challenge of difficult tasks - just look how much better they are than their parents on a computer.