Tim Harford tells the fascinating stories of inventions, ideas and innovations which have helped create the economic world.
http://www.bbc.co.uk/programmes/p04b1g3c
Searching for 51
The extra “thing” – what should it be? Shortlist: the credit card, glass, GPS, irrigation, the pencil and the spreadsheet. Voting for the 51st Thing has now closed. The winning “thing” will be revealed on Saturday 28 October 2017. Producer: Ben Crighton Editors: Richard Knight and Richard Vadon (Image: Montage of pencil, credit card, glass, spreadsheet, GPS, irrigation, Credit: Getty Images/Shutterstock)