Rocket sugar-rush, drill press safety, an energy-saving bear, and a trip down memory lane.


For more comments, mods, and tips on the Compressed Air Rocket project, visit

image I can’t thank you enough for putting this project [“Compressed Air Rocket,” Volume 15] out here! I started out building the launcher to entertain my two boys. The sugar-rush-like symptoms it gave my inner child are just a bonus! I built ours using the tire valve and it seems to work very well. I have two tips for making the rockets that really ...

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