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 This Machine Will Eat Your Car Laser Rifle That Can Cut Through Metal Linear friction welding of wood This ship partially submerges itself to load superyachts Fast endless Bi-directional spiral with an ho scale train Meet the Machinists Who Keep the New York Times Running