Fifty Inventions started as a podcast, and each chapter is the length of a 9 minute audio essay.


You will learn, and be able to talk to your significant other or work colleague or total strangers, about topics as diverse as: management consulting, double-entry bookkeeping, radar, plastic, paper money, department stores, barbed wire, infant formula, tax havens, passports, intellectual property, air conditioning, elevators, TV dinners, batteries, robots, disposable razors, insurance, paper, IKEA bookcases, barcodes, the diesel engine, and much else besides.

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