

In a bid to find out all there is to know about glue, Richard and Jonny recreate the classic ‘flying man’ wallpaper paste TV ad by gluing Jonny to a board and dangling him from a crane above a pool of water.

Richard and Jonny find out all there is to know about batteries - from standard batteries to those powered by seawater, fruit and even…urine.

Can high pitched singing really shatter glass? Our duo enlists the help of an opera singer before heading to a firing range to test the true resistance of bullet-proof glass.

Did you know that just 1km of three-lane motorway costs £13 million to build? But what are our roads made of and what makes them so strong?

Richard and Jonny head to the fair to investigate, before visiting a scrapyard to demonstrate the incredible weight-lifting capabilities of a magnet powered by just four torch batteries.

Richard and Jonny turn graffiti artists to test the properties of anti-graffiti paint. Then it’s off to the Humber Bridge for a spot of painting – little do they know it takes three years to paint the railings alone.

Steel shipping containers can also be turned into surprisingly spacious and appealing housing as Jonny discovers on a visit to London’s Docklands.