In just three years, Instructables.com has become one of the hottest destinations for makers and DIY enthusiasts of all stripes. Known as "the world's biggest show & tell," makers from around the globe post how-to articles on a staggering variety of topics -- from collecting rainwater for lawn care to hacking toy robots to extracting squid ink.Now, with more than 10,000 articles, the Instructables staff and editors of MAKE: magazine -- with help from the Instructables comm...