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 Tourbillon: Testing of a new generation theme park ride Walnut Harvesting Machines are Pretty Interesting Robot Farmer Will Be Able To Work 20 Hours a Day Watch a Humongous Hungry Machine Crush and Swallow Engine Blocks The SoundTank Will Blow Your Ears Off Machine Pours Concrete Perfectly