Keeping it chill with air conditioning

Today we learn about Qin Shi Huang, a man who did a lot of big things. He was the first emperor of China, he started the Great Wall and he had thousands of life sized statues built. But his dream was to do something even bigger: to live forever! Join Joy and co-host Claudia as th ...  Show more

Trick or treating is a fun time. You go around ringing door bells, dressed in a costume, and you get candy! But how did this sweet tradition get started? Turns out it has roots that go back hundreds of years! Join Joy and co-host Veronica as they trace the history of Halloween fr ...  Show more

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 ...  Show more

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 ...  Show more

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.