Cars are complicated, there's lots of parts that do lots of things most of us will probably never understand it all. Well we can at least tackle one of those mysteries today. You've probably heard of something called a catalytic converter, right? And you've probably heard that it's important. Well that's true! But why? What does it do, why is it essential, a ... Show More
Aug 27
Can water air-condition your house?
What exactly is a swamp cooler, and why can it beat the heat in Arizona but leave you sweaty and betrayed in Houston? How can an air conditioner run on water, what does humidity have to do with its effectiveness, and could an icy new invention help prevent overloaded power grids? ... Show More
31m 44s
Aug 20
What’s the dark side of air conditioning?
Could a cheaper, more environmentally friendly refrigerant already exist, and could corporate lobbying be helping keep it out of American air conditioners? Why did the chemicals once hailed as safe alternatives become environmental villains, and are their replacements actually mu ... Show More
53m 21s
Feb 2009
How Basic Car Design Works
<p>For the most part, cars have several common design components -- two headlights, for example, or four wheels -- but why is that? Tune in and learn more about the stories and science behind basic car design in this podcast from HowStuffWorks.com.</p><p> </p> Learn more about yo ... Show More
22m 8s