Podcasts

Cellular phone systems divide areas of coverage into "cells," hence the name. But how do they actually work? Listen in as Marshall Brain breaks down the nuts and bolts of cell phone systems in this episode.

All new cars sport oxygen sensors that are designed to cut down emissions and keep the engine running smoothly. Find out exactly how these sensors work in this podcast from HowStuffWorks.com.

Film studios use regional code protection in DVD technology to protect content and to control worldwide release dates. Tune as Marshall Brain breaks down the concept of region codes in this podcast.

Unlike a regular CD, a CD-R has a special dye layer that allows you to imprint data on it. Discover the mechanics of CD-R discs in this podcast from HowStuffWorks.com.

Under the right conditions, chocolate can indeed be deadly for dogs. Tune in to learn more about the compound in chocolate that makes it dangerous for dogs (and how much is too much) in this podcast from HowStuffWorks.com.

Seedless grapes are the most common kind on the market, but have you ever wondered how a grape can be seedless? How does it grow? Discover how seedless grapes accidentally came about -- and how they grow -- in this podcast from HowStuffWorks.com.

Self-driving cars seem like the stuff of science fiction, but they're closer to becoming reality than you might think. In this episode, Marshall breaks down the technology behind experimental self-driving cars.

In this episode of BrainStuff, Marshall Brain gives a detailed explanation of how British royal titles work.

The joker is an obscure and (according to some) useless addition to a deck of modern playing cards -- but it was originally a powerful card. Discover the history of the joker card and the modern card deck in this podcast from HowStuffWorks.com.

Dynamite is a type of chemical explosive. Discover how explosives from gasoline to dynamite work in this episode of BrainStuff.