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Small magnetic track with no outgoing friction and low incoming fristion.
Following is an interview with a scientist, who has proven that dependence on fossil fuels is a choice, not a necessity. Imagin...
Jean Pain shows from beginning to end how to create a compost heap capable of generating methane and heating water.
Hello gardeners! Love and light! Thats how your garden grows. This is the first video documenting a full grow cycle for 4 to...
Found at http://hackaday.com/2010/05/13/transistor-fabrication-so-simple-a-child-can-do-it/
Compasses on a Dave Lambright wheel acting independently
magnetic magnifier added