As the UP master of the crafting area, Chen Yi suddenly gained the inheritance of the Zero Returner civilization and could adjust the attributes of the items he made. Since then, the style of human technology has changed. Soaring into the sky, the model airplane that split apart in space was unmanned. Machine. A simple electric car with a 28-bar style and a range of 3,000 kilometers. A machine for the elderly with computing power comparable to Tianhe-1 and can also be used to smash walnuts. An intelligent mechanical dog with hand welding and nuclear power endurance. Totally reflective mirror, speed 200 kilometers per hour. A three-body water droplet measuring 1.5 meters. It can still fly at the speed of light, but it can only shoot at the speed of light with machine guns... Until one day, an alien civilization visits humans. After some observations, it comes to a conclusion. This civilization