Chapter 6: Agriculture, Metal, and Mining
The Industrial Revolutions
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Introduction
The word podcast is a pretty new term from the latest industrial revolution. It was coined about 15 years ago, and the idea was to combine the product name of the iPod with the way that the radio medium goes out by broadcast. For centuries leading up to the advent of radio, broadcasting meant something else entirely. In 1701, an oddball farmer named Jethro Tull invented a device that would transform planting.
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