Revealed – the winning 51st Thing! What won the vote to be added to our list of 50? We asked for ideas for an extra “thing” that made the modern economy. We received hundreds of suggestions. Thousands of votes were cast on our shortlist of six. Now we have a winner. Discover what it is and why it is worthy of being Number 51. Presenter: Tim Harford
Producer: Ben Crighton
Editors: Richard Knight and Richard Vadon

Number 51

Tim Harford tells the fascinating stories of inventions, ideas and innovations which have helped create the economic world.

Business

Investing

Careers

Management & Marketing

Business News

Shopping

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Introducing: Season 2 of 30 Animals That Made Us Smarter

Jump on-board a doomed mission to the Moon. Apollo 13: the extraordinary story, told by the people who flew it and saved it.  
Search for 13 Minutes to the Moon wherever you get your podcasts. 
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Introducing 13 Minutes to the Moon Season 2

Johannes Gutenberg's printing press changed the course of human history. It created a new way of doing business, drastically reduced the cost and speed of making books, and enabled texts, ideas and arguments to spread further and faster than ever before. So why did he struggle to make money from it?

Gutenberg press

First developed by a toy company in the 1890s, slot machines have become one of the most profitable tools of the gambling trade - but many who play them say winning isn't the point. So why can't people pull themselves away? Tim Harford looks under the spinning wheels and flashing lights to see what these devices reveal about the business of addiction.

Slot machines

In 1997, Garry Kasparov, widely regarded as the world's greatest chess player, was defeated by Deep Blue, a computer. But how much did that reveal about the 'brainpower' of machines? Tim Harford explains by delving into the history of algorithms. They've been used by mathematicians and scientists for millennia, but have acquired a new level of power and importance in the digital age.

Number 51

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