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 Walnut Harvesting Machines are Pretty Interesting This Coffee Art Printer Puts Baristas To Shame Rewritable Laser Thermal Labels Not Like The Old Days: Automated Carrot Picking Machine Fast endless Bi-directional spiral with an ho scale train These Gears Are Synched at 4,500 RPM