TechStuff

If you own a personal computer dedicated to gaming, you know the habit can become surprisingly expensive. In this podcast, Jonathan and Chris explore the costs involved with playing the latest and greatest PC games -- and how to build your own machine.

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Sonar uses sound to gauge the distance between objects. Although most people associate sonar with submarines, humans use sonar for a lot more than underwater navigation. In this episode, Jonathan and Chris take a look at the mechanics behind sonar.

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When Richard Jordan Gatling invented the Gatling gun, he revolutionized wartime firepower. In this episode, Chris and Jonathan discuss the history of firepower and the principles behind the Gatling gun.

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In this episode, Chris and Jonathan travel to Dragon*Con and meet with Tom Merritt and Veronica Belmont, the hosts of the Sword and Laser podcast. Tune in to get an inside look at how podcasting works, and catch a few tech predictions along the way.

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Would you believe that people used to make free calls by using a plastic whistle? In the days before the Internet, phone phreaks explored every nook and cranny of the phone system. But what were they up to, and how did they do it? Tune in to find out.

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Every driver has seen a railroad crossing -- the iconic system of bars, lights and warning bells designed to keep cars away from trains. But how do they actually work? In this episode, the guys explore the technology powering railroad crossing signals.

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Are you really deleting a file when you move it to the trashcan or recycle bin? The answer might surprise you. In this podcast, Jonathan and Chris break down the actions you need to take to recover -- or permanently delete -- your files.

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There's been a huge resurgence in three-dimensional special effects in the world of film -- but how do these effects work? In this episode, Jonathan and Chris break down the science behind 3-D technology.

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As the sun reaches the apex of its eleven-year cycle, its magnetic activity increases and could pose a threat for some electronics -- especially satellites. In this episode, the guys break down the science behind solar flares and coronal mass ejections.

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Beginning in 1972, the home video game craze took the United States by storm. With tons of companies producing increasingly sophisticated machines, it looked like home gaming was the wave of the future -- so what went wrong? Tune in and learn more.

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