Nixie Plasma ball

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This one came out over a year ago and we missed it. [Daqq] has made a plasma ball out of a nixie tube.  All that was required was the transformer from a cold cathode meant for computers and a nixie tube. He did have to do a tiny bit of modification to the power supply, which you can see on the project page. This isn’t the most useful project, since you can’t really see much of the plasma, but it is really cool nonetheless. We think this would make a really neat button. You can see a video of it in action after the break.

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Plasma Thruster

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Some of you probably have plans to build your own spaceships, we know we do. Well, the propulsion system can be a bit tricky, especially if you plan on using plasma drives. This breakdown and build of a simple plasma thruster should help you on your way. All you really need is some Argon, a large capacitor bank, and a custom nozzle. You’ve already got most of that right? As usual, be very careful. This is high voltage and very hot.

Make a plasma cutter

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For those unfortunate few of you who don’t already have a plasma cutter sitting around, [jandgse812] is here to help. He walks you through the process of building your own plasma cutter from scratch. Adding up the list of parts brings the total project to roughly $300.  He has included visual diagrams for all the wiring as well as specific part numbers and where to get them. Be careful, this is potentially very dangerous, but also very cool. You may need to get a copy of the mission impossible theme to play whenever you use it. At least, that’s what [jandgse812] recommends. You can see a video of it in action after the break.

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DIY Plasma Gun


[Richard] took another shot at his battery powered tesla coils. He sent in his latest hand held plasma gun. He modified his battery powered tesla coil to work as a handheld. He added a large copper pad to the drill handle to couple the RF ground to the human torch holding it.. Sure, we’ve seen plenty of tesla lately, but who here wouldn’t want one? (Maybe the guy in the server room…)

All the parts needed are listed – just be sure you fully understand everything before you get into this one.