October 7, 20214 min read, 797 words
Published: October 7, 2021 | 4 min read, 797 words
The Scottish physician Joseph Black was responsible, in 1764, for one of science’s more unusual chemical experiments. He had already achieved fame by becoming the first scientist to isolate a pure gas: carbon dioxide, known as “fixed air” at the time. Now Black was anxious to fur...