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Building a Ball Mill for Grinding Chemicals

Learn how to build a ball mill for grinding solids into fine powders. Commercial ball mills can cost more than $100, but with this tutorial you'll be able to make one that works just as well for no more than $30!
Views 7603 | Rating 72 | Comments 11| Date Aug 11, 2007

Build a Magnetic Stirrer From An Old Computer

Learn how to build a magnetic stirrer from an old computer for use in the home laboratory. It'll cost you almost nothing!
Views 4782 | Rating 36 | Comments 3| Date Aug 12, 2007