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 Man Builds Tiny W-18 Engine Bike with Car Tires This Ship Remains Stable by Creating It’s Own Inner Waves Twisted Helical End Drill Reduces Cutting Resistance Carbon Fiber VS Steel This jet-powered go kart is basically a fire breathing monster on wheels