kitchenware Topological bowls Rob Beschizza

topology Here's a confounding topological curiosity Mark Frauenfelder

letterlocking Letterlocking: the long-lost art of using paper-folding to foil snoops Cory Doctorow

topology Acoustic meta-material: a shape that reflects sound but passes light and air Cory Doctorow

drone-paws Origami hand: "a disposable robot hand" made from folded paper Cory Doctorow

fidget spinners on steroids Twisty Vase, meet Useless Machine Cory Doctorow

stereoscopy Fold-flat furniture looks like isomorphic illustrations when it's collapsed Cory Doctorow

untanglers Detangling enthusiasts trade snarled yarn to tease back into order Cory Doctorow