It has gone from luxury to necessity, and there are over 2 billion air conditioning units in the world today.
In this episode, we'll take a look at how air conditioning got started, why people didn't mind being hot in the past, and what the true cost of staying cool might be for future generations.
- Staying cool is nothing new: Romans & Egyptian methods
- Ding Huan & the rotating fan
- Why people were afraid of creating cold artificially
- How the Dutch magician Cornelis Drebbel tricked King James I in 1620
- Benjamin Franklin getting sweaty one July in Philadelphia
- Primitive air conditioning by pumping air over ice
- Did people actually mind that there was no air conditioning?
- Willis H. Carrier & the first air conditioning unit
- Convincing the US public that it was something they needed
- 1920s sweaty American cinemas
- Spending $600,000 on an air conditioning unit in 1932
- The boom of air conditioning in the US
- How many households around the world have air conditioning in 2021?
- The impact of air conditioning: the good, the bad & the unexpected
- Environmental impact of air conditioning
- Future of air conditioning in the developing world
- New air conditioning technologies: high & low tech
Full interactive transcript, subtitles and key vocabulary available on the website: https://www.leonardoenglish.com/podcasts/air-conditioning
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