DIY Nitrocellulose Cannon

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Nitrocellulose is just a fancy word for flash paper.  But Youtuber NightHawkInLight has created a pretty simple cannon that he used to fire this flash paper.  It’s all bark and no bite, but that show is pretty impressive, as is the video below.  The entire cannon is very well made, especially the curved hinge.  Actually, … Continued

Ball Bearing Roller Coaster

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I remember having one of these in my basement when I was little.  It never worked right, and it was constantly in various pieces, but I always imagined that it would be pretty awesome when it did work.  I drew up plans in my mind of how it could work, and expand, and just be … Continued