Barcodes and shopping store musak.
Do you know that steel is 100 percent recyclable? Witness with us the world record holder Manjit Singh who risks impalement to bend steel using his neck.
The remarkable force of water.
Just one kilometer of three-lane motorway costs the US $24.5 million to build.
Brakes on some vertical drop fairground rides operate purely through electromagnetic induction.
Find out all there is to know about batteries from standard batteries to those powered by seawater.
Delve into the world of rubber to test tires.
Richard and Jonny examine cellulose, which is extracted from wood and used in marmalade, photographic film, cheese and ice cream.
Richard and Jonny look at different types of paint.
Jonny reveals a suit that can survive a blast; sharkskin texture swimwear; a camouflage suit used by the elite Special Air Service.
Jonny visits London's Docklands and discovers steel shipping containers can be made into spacious housing; Manjit Singh bends steel with his neck.
Richard researches car airbags; Jonny cuts a pair of sneakers open; a domestic fire alarm testing centre; nine different types of wood become an acoustic guitar.
Electromagnetic induction; weight-lifting capabilities of a magnet powered by torch batteries.
Components of roads; remote-control mechanical feet test waterproofing capabilities; the history of the telephone.
High pitched singing shatter glasses; firing range to test the resistance of bullet-proof glass; escalator; Bumper Harris.