John Edgar Park likes to make things and tell people about it. He builds project for Adafruit Industries. You can find him at jpixl.net and twitter/IG @johnedgarpark View more articles by John Edgar Park Ky Michaelson, better known as The Rocketman, is one of the world’s leading rocket powered vehicle builders. He was featured in MAKE, Volume 05, and says he got his start using a Gilbert chemistry
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