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#105 Batteries. The mysterious little cylinders that have powered our essentials and fun for decades. How in the world do they work? What's the chemistry that's going on inside, and how does it power our electronics? Let's find out. <a href="http ...
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.