Vestaboard is a clever app-controlled version of the old split-flap display that you'd see in train stations of yore. It's the same electromechanical analog display technology used in old flip alarm clocks, but with Vestaboard you change the text using your mobile device. Below is a demo of one of the display "bits" in motion and another video teaser of the full sign, measuring 37" x 21". You can pre-order one for $1800.

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Is this the worst mechanical horse of all time? Chinese farmer Su Daocheng built it to plow his fields and also says he built a homemade helicopter. Probably best to decline rides in both vehicles. At least the head looks nice. He also makes cool mechanical sculptures in his spare time, like this: Read the rest

Antique mechanical contraption which realistically mimics bird song