Episode 3: Enchanting Numbers

Computing began long before the twentieth century. Mechanical calculators ran on cogs, wheels, and steam engines.

You can view a model of how the Pascaline worked here. A demonstration of the Difference Engine, along with a detailed explanation of how it works, is shown here.

Sydney Padua’s great drawing of the Analytical Engine can be seen here, from her graphic novel The Thrilling Adventures of Lovelace and Babbage.

Prefer to read along? Click here to view the transcript!

Episode 1: Bloody Beginnings

Daring 17th century doctors try their hand at blood transfusion. With fatal consequences.

Enjoyed this episode? Read more about early blood transfusion in Holly Tucker’s Blood Work: A Tale of Medicine and Murder in the Scientific Revolution.

Prefer to read along? Click here to view the transcript!