Man Invents 'Kangaroo Tail' For Lazy Humans

At the 39th International Exhibition of Inventions, New Techniques and Products, in Geneva, Switzerland, on Wednesday, Emanuele Lopopolo (of Italy) presented his invention, a portable back rest that allows the user to take a break from standing by leaning back onto a telescopic pole -- or, as it's called, a retractable robotic kangaroo tail. “The kangaroo can rest its weight on its tail, so we’ve