Why do we use the term air conditioner to refer a machine for cooling air, when we use the word heater to describe a mechanism for heating air? The term air conditioning was borrowed from the textile industry, where it referred to filtering and dehumidifying. The first use of this term is in a 1909 paper by Stuart Cramer, called “Recent Developments in Air Conditioning.” This is part of a complete episode.
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- Hair on Your Tongue (episode #1517) 02/11/2019: If you speak both German and Spanish, you may find yourself reaching for a German word instead of a Spanish one, and vice versa. This... [more]
- Train of Thought (episode #1516) 02/04/2019: Chances are you recognize the expressions Judgment Day and root of all evil as phrases from the Bible. There are many others, such as the... [more]
- Colonial English (episode #1515) 01/28/2019: The anatomy of effective prose, and the poetry of anatomy. Ever wonder what it'd be like to audit a class taught by a famous writer?... [more]
- Space Cadet (episode #1514) 12/24/2018: We have books for language-lovers and recommendations for history buffs. • How did the word boondoggle come to denote a wasteful project? The answer involves... [more]