大象传媒

Public Key Cryptography

Geeks versus government 鈥� the story of public key cryptography

• 9 mins

Battery

The story of the battery begins inside a dead murderer. It鈥檚 a tale that鈥檚 far from over

• 9 mins

Gramophone

"Superstar鈥� economics 鈥� the story of how the gramophone led to a winner-take-all market

• 9 mins

TV Dinner

The TV dinner, and other inventions from the same era, made a lasting economic impression

• 9 mins

Contraceptive Pill

The pill wasn鈥檛 just socially revolutionary, it also sparked an economic revolution

• 9 mins

Elevator

The safety elevator is a mass transit system that has changed the shape of our cities

• 9 mins

Air Conditioning

Invented for the printing industry, air conditioning now influences where and how we live

• 9 mins

Cuneiform

Cuneiform, the earliest known script, was used to create the world鈥檚 first accounts

• 9 mins

Video Games

From Spacewar to Pokemon Go, video games have shaped the modern economy in surprising ways

• 9 mins

Intellectual Property

Intellectual property reflects an economic trade off when it comes to innovation

• 9 mins

Passports

If anyone could work anywhere, some economists think global economic output would double

• 9 mins

Tally Stick

The tally stick shows us what money really is: a kind of debt that can be traded freely

• 9 mins

Index Fund

Warren Buffett is one of the world鈥檚 great investors. His advice? Invest in an index fund

• 9 mins

Infant Formula

For many new mothers who want, or need, to get back to work, infant formula is a godsend

• 9 mins

Tax Havens

Gabriel Zucman invented an ingenious way to estimate how much wealth is hidden offshore

• 9 mins

Barbed Wire

鈥淟ighter than air, stronger than whiskey鈥� 鈥� barbed wire wreaked huge changes in America

• 9 mins

Department Store

Harry Selfridge pioneered a whole new retail experience with his London department store

• 9 mins

Leaded Petrol

When lead was added to petrol it made cars more powerful 鈥� but it also poisoned people

• 9 mins

Dynamo

The big story behind the way dynamos made electricity useful

• 9 mins

Limited Liability Company

How some legal creativity has created vast wealth down the centuries

• 9 mins

Paper Money

Currency derives value from trust in the government which issues it

• 9 mins

Seller Feedback

Without seller feedback, companies like eBay might not have grown as they have

• 9 mins

Plastic

We make so much plastic these days that it takes about eight percent of oil production

• 9 mins

Market Research

Market research marked a shift from a producer-led to consumer-led approach to business

• 9 mins

Radar

A high-tech 鈥榙eath ray鈥� capable of zapping sheep led to the invention of radar

• 9 mins

S-Bend

The S-bend was a pipe with a curve in it, an invention that led to public sanitation

• 9 mins

Double-entry Bookkeeping

Renaissance man Luca Pacioli wrote the definitive book on double-entry bookkeeping

• 9 mins

Management Consulting

If managers often have a bad reputation, what about those who tell them how to manage?

• 9 mins

Searching for 51

The extra 鈥渢hing鈥� 鈥� what should it be?

• 9 mins

Property Register

Property rights for the world's poor could unlock trillions in 鈥榙ead capital鈥�

• 9 mins