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 First look at a new wave pool in Australia Monster machine cutting manholes Tourbillon: Testing of a new generation theme park ride Big Marble Machine (1000 Marbles) The Only Handheld Printer You’ll Ever Need 3D Printers Are Now Printing Houses, Yes, Houses!