Useless Perpetual Devices A useless device is like a time loop and it just wants your attention. It is there just so that you get hypnotized. Facebook Prev Article Next Article Machinery Checkout these cool gadgets... Related Posts Railroad assembly line? That is a seriously incredible machine These are the Mecanum wheels. They don’t require steering to turn the vehicle. This 3D Printer Is an Artist That Paints With Light Big Marble Machine (1000 Marbles) Man Builds Tiny W-18 Engine The Magic Pizza Sauce Machine that Sauces Pizzas at Costco