DIY

Since we inaugurated Guess This Tool, you've all proven way too hard to stump, so for this week's contest, we're mixing it up a bit and giving you a mystery part rather than a tool.

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Make magazine has just put up its $20 and under holiday gift guide, chock full of starter electronics kits like a barebones Arduino and tools for your favorite tinkerer. Or if you're the only one who solders in your circle, pick up a few kits now and give away the finished product.

I've built a number of kits from Make and they're a great way to learn and hone your DIY electronics skills, with super-clear instructions. After the jump, I add my five additions to their list, with an eye toward encouraging the young hijinks-prone Makers-in-training on your list.

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Hi. My name is Vin and I'm an addict. I can't stop buying electronic junk. I know it's only filling up bins in my shop and taking money I could be pouring into more productive hobbies, like drinking and shooting guns. But what if the completion of some future project, some really crucial bit of hijinks, hinges entirely on my having a switch designed to discharge massive capacitors? Then what, huh?

Am I supposed to just assume my local Radio Shack will have my back? Not likely.

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National Geographic has published a beautiful gallery of aerial photos of the Sahara, shot by George Steinmetz. Steinmetz shoots his pictures while soaring above the Earth on a gasoline-powered paraglider he built himself.

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This is a weld-on tank bung; a means of attaching pipe threads to a vessel. It is intended to be welded onto the wall of a tank or pressure vessel, providing solid pipe threads in a material typically too thin to be tapped for pipe threads. On some occasions I've used them for that purpose. On others, I've found that they make a great component in pneumatic cannons. More on this obscure part after the jump.

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