I DIDN'T KNOW THAT

Ever wondered what's inside your plasma screen TV or how they get the writing inside seaside rock? Join Richard Ambrose and Jonny Phillips on their quest to investigate how things are made and how they work.

Richard and Jonny test the theory that high-pitched singing can break glass with the aid of an opera singer. Also, find out about the one-legged man who was employed in Edwardian times to test-ride the escalators.

Richard and Jonny put everyday objects to the test. The boys find out how durable roads are with the aid of a flame-thrower, high-pressure water jet and some petrol.

Richard and Jonny head to the racetrack to witness a world speed record attempt in a battery-powered milk float. Also, discover the story behind the Nazi's radioactive toothpaste.

Richard and Jonny head to the fair to investigate the use of magnets on rides, and check out the suspension system of the latest Ferrari.

From tyres to toilets, Richard and Jonny delve into the science behind the things we take for granted. They head to a tyre-testing chamber to see what happens when airplane tyres over-inflate.

Richard and Jonny test the power of water as they witness a machine that cuts through steel and rock with water propelled at 1,000 metres a second. They also track down a 2.5-tonne Kit-Kat and a truffle made for Madonna.

Normally reserved for frying pans, Richard and Jonny test the versatility of Teflon on the ski slope and later Richard attempts the new sport of brick throwing.

Richard and Jonny test out the latest in anti-graffiti paint and after a stop off at the Humber Bridge they meet Keith whose job is literally to watch paint dry.

Steel is one of the few man-made materials that is 100% recyclable. Jonny discovers how steel shipping containers can be turned into surprisingly spacious and appealing housing, and witness a man who bends the metal with his neck.