Thermal Delight

In a place where losing power can turn deadly, keeping the lights on is a high-stakes balancing act. What infrastructure mystery keeps you up at night? Submit your Service Request by recording a voice memo with your question and emailing it to servicerequest@99pi.org. Service Req ...  Show more

Why did it take nearly a decade to redesign a city trash can, and why haven't more bins made the streets cleaner? What infrastructure mystery keeps you up at night? Submit your Service Request by recording a voice memo with your question and emailing it to servicerequest@99pi.org ...  Show more

Tim Harford tells the surprising story of air conditioning which was invented in 1902 to counter the effects of humidity on the printing process. Over the following decades “aircon” found its way into our homes, cars and offices. But air conditioning is much more than a mere conv ...  Show more

Air conditioning aspires to be unnoticed. Yet, by manipulating the air around us, it quietly conditions the baseline conditions of our physical, mental, and emotional experience. From offices and libraries to contemporary art museums and shopping malls, climate control systems sh ...  Show more

Global warming means the world will need a lot more air conditioning - but will the AC just make global warming even worse?The Middle East already experiences peak temperatures over 50C, as the Kuwaiti social media influencer Ascia Alshammiri testifies. And things are only set to ...  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.