Wednesday Links: Dancing Spiders, Prototyping with Tape Gun and Skulls

SpiderSaber_PIC Dancing Peacock Spiders with Lightsabers
This is just fun to say, even more fun to watch (Via Nerdist).
piper_2 Turning a Tape Gun Into a Prototyping Machine
Interesting idea, but not necessarily very practical (Via Makezine).
japaneserubegoldberg A story-based Japanese Rube Goldberg Machine
This Rube Goldberg machine features not only some amazing timing and clever solutions but also a cute story (Via Sciencedump).
il_570xN.590062877_fx6n Pile of Skulls
Laser-engraved rolling pin for (next) Halloween pastries (Via TLC).