[BONUS: REPLAY] The Rise of Air Conditioning

 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 methodsDing Huan & the rotating fanWhy people were afraid of creating cold artificiallyHow the Dutch magician Cornelis Drebbel tricked King James I in 1620Benjamin Franklin getting sweaty one July in PhiladelphiaPrimitive air conditioning by pumping air over iceDid people actually mind that there was no air conditioning?Willis H. Carrier & the first air conditioning unitConvincing the US public that it was something they needed1920s sweaty American cinemasSpending $600,000 on an air conditioning unit in 1932The boom of air conditioning in the USHow many households around the world have air conditioning in 2021?The impact of air conditioning: the good, the bad & the unexpectedEnvironmental impact of air conditioningFuture of air conditioning in the developing worldNew air conditioning technologies: high & low tech Full interactive transcript, subtitles and key vocabulary available on the website: https://www.leonardoenglish.com/podcasts/air-conditioning ---You might like:🔓 Unlock bonus episodes, interactive transcripts, subtitles & vocabulary lists✨ 5 Powerful Tips for Learning English with Podcasts (Faster & Effectively!) [YouTube]📹 A look inside Leonardo English membership 📧 Join our FREE weekly newsletter---Keywords: Learn English, vocabulary, lessons, idioms, aprende inglés, idiomas, aprender inglês, apprendre l'anglais, imparare l’inglese, ingilizce öğren,英語を習う, تعلم الإنجليزية