Keeping it chill with air conditioning

The Wizard of Oz is one of the most influential stories around. What started as a children’s book went on to inspire countless other books, movies and musicals. Join Joy and co-host Sky as they wiggle down the Jell-O brick road and meet a sassy witch who knows the 411 on all thin ...  عرض المزيد

We can learn a lot about what a culture thinks is important through its fashion. These days, most men don't wear makeup to work, or lace collars, or powdered wigs, but that wasn't always the case! Joy and co-host Max go on a journey to the history spa, where they get a 1770s make ...  عرض المزيد

Muggy. Sticky. Miserable. For eons, that’s just what summer was. In fact, when air conditioning first became available, few people took advantage of it. Wasn’t summer supposed to be uncomfortable? This is the story of how people finally warmed up to the idea of keeping cool.You c ...  عرض المزيد

Air conditioning has had a profound impact on modern life -- and in more ways than you might realize. In this trio of Invention episodes, Robert and Joe explore pre-AC cooling methods, the invention itself and the many ways it changed the shape (and temperature) of our lives. Lea ...  عرض المزيد

Air conditioners are a nifty -- and sometime life-saving -- invention, but how does an air conditioner make air cooler? What does a compressor do? What’s a swamp cooler? Tune in for answers to these questions and more in this episode of TechStuff.

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 t ...