As the UP master of the crafting area, Chen Yi suddenly found that the attributes of the items he made appeared on the attribute interface, and he could adjust the attributes of the items.
Since then, the style of human technology has changed. A model aircraft drone that soared into the sky and split apart in space. An intelligent mechanical dog with manual welding and nuclear power.
The computing power is comparable to that of Tianhe-1, and it is a mobile phone with network lag when playing games. A tsundere and powerful artificial intelligence with independent intelligence and a taste for gossip.
Total reflection mirror, three-body water droplet with a speed of 200 meters per hour. There is also light speed flight, but only the three-body light speed spacecraft with machine gun fire.
...One day, an alien civilization visited humans. After some observations, they came to a conclusion. This civilization is very strong, but the technology tree is a bit crooked... ps: This book is also known as "I Can Adjust Item Attributes" and "I Crooked the Human Technology Tree"