kottke.org posts about diy

How to turn hollow point bullets into a flowering flower potMar 18 2015


This guy turned recovered Federal HST pistol bullets into a Valentine's Day gift for his girlfriend.

I started out with a box of Federal 9x19mm HST 147gr pistol ammunition. This was a box of 50 rounds purchased at the Gun Bunker in Shrewsbury PA for $35 plus tax. I fired 6 of these cartridges into a 30" tall trash can filled with water. I did this from an elevated firing position, striking the water perfectly perpendicular. I used a Beretta 92FS Inox pistol with a 5" barrel, and a Freedom Armory Machine Works Grenadier 45 suppressor (as to not alarm the neighbors). This caused the hollowpoints to expend nearly perfectly, with nothing to deform them before they were fully decelerated by the water. One of the six did not expand, and was discarded. A firearm with a significantly longer or shorter barrel would have probably affected the expansion. I was about 10 feet above the trash can, but I still managed to get splashed from this.

DIY soda recipesAug 06 2010

Here are some DIY soda recipes. I'd really like to try that ginger ale at some point.

Potato binsApr 17 2009

How to construct a build-as-you-grow potato bin. Start with a base and some potatoes planted within it and then just keep building up and dumping in dirt. Come harvest time, the box will be full of potatoes.

I'm told a rule of thumb for potato harvests is 10 pounds per pound of seed. I got 25 pounds for my one pound, so I guess I shouldn't be too disappointed about the results of my first year planting potatoes. Still it's nowhere near the 60 pound average that Greg Lutovsky's customer's experienced. In hindsight I think I got lazy in hilling my potato plants as they were growing. Sometimes I would let them get to be 8 or so inches tall and jungle-like before dumping more dirt in and covering the stems.

Make your own x-rays: buy a dentalMay 02 2006

Make your own x-rays: buy a dental x-ray machine on eBay and use it with Polaroid film. Mit photos.

DIY book publishingMar 03 2006

37signals has published their latest book, Getting Real, as a PDF download that they are distributing themselves. After more than a day, they've sold over 1750 copies at $19 apiece:

That's exciting. These numbers demolish the sales pace of our first book, Defensive Design for the Web, which was released through the traditional publisher/bookstore model. DIY publishing: There's a new sheriff in town.

If you do the math, that's ~$33,000 in sales in one day. I don't know what the advance would be on a book like that, but they've got to be approaching it, and if/when they reach that figure, the profit margin on subsequent sales will be much higher than the royalties paid by a publishing company. Interesting experiment.

Glee Gum sells "make your own chewingDec 28 2005

Glee Gum sells "make your own chewing gum" kits for $10. "It's really easy: Soften the chicle gum base, either in the microwave or on the stove. Then you add the sugar, corn syrup, and the flavor packets, knead it a little, and WOW! You've made your own gum!"

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