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 Photos Carved On Wood Your Teeth Are Helping Scientists Build Better Airplanes Meet the Machinists Who Keep the New York Times Running 100 Year Old Self-Playing Violin – “The Eighth Wonder Of the World” The Only Handheld Printer You’ll Ever Need The Amazing Do Nothing Machine