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Series 2

Oil

The price of oil is arguably the most important price in the world economy.

• 14 mins

Series 2

Interchangeable Parts

Interchangeable parts revolutionised the world of engineering.

• 14 mins

Series 2

Canned Food

What does canned food have in common with Silicon Valley? More than you might think.

• 14 mins

Series 2

Interface Message Processor

The Interface Message Processor: the most important hunk of silicon you鈥檝e never heard of.

• 14 mins

Series 2

Prohibition

The idea of the 鈥渞ational criminal鈥� helps explain why Prohibition was so widely flouted.

• 14 mins

Series 2

Bonsack Machine

One historian of the cigarette industry reckons it invented much of modern marketing.

• 14 mins

Series 2

GPS

GPS is sometimes called the 鈥渋nvisible utility鈥�. What would happen if it stopped working?

• 14 mins

Series 2

Vickrey Turnstile

The electromechanical Vickrey Turnstile worked well in theory, but was never built.

• 14 mins

Series 2

Glasses

How many people on earth need glasses and don鈥檛 have them? An eye-popping 2.5 billion.

• 14 mins

Series 2

Wedgwood

Josiah Wedgwood鈥檚 pottery was a precursor to the 鈥渢rickle-down鈥� theory of fashion.

• 14 mins

Series 2

SWIFT

How a system for sending sensitive financial data securely may have created a new problem.

• 14 mins

Series 2

Fundraising Appeal

Charity has become big business 鈥� but what鈥檚 the best way to elicit donations?

• 14 mins