Marble machines are the kind of useless mechanisms that everybody loves. Their sole purpose is to route marbles through different paths for your viewing pleasure. They can be extremely complicated ...
[youtube=http://www.youtube.com/watch?feature=player_embedded&v=X_iW9nrBtHI] Keeping with my theme of DIY projects as gifts, I present to you this little treat, a ...
In the fever dream that was my youth, I was enamored with an odd sketch on Sesame Street featuring a ball that goes up and down a long, windy track before ending up as a pile of powder. This sequence ...
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