If you are a hard science fiction, then the gun you designed should be flashy, with a complicated mechanical structure exposed, equipped with a sight that looks very sci-fi, with sky blue/white, military gray/dark blue/dark yellow as the main tone, and the design tone set off by polygons.
Here, you can refer to the Gauss gun of Crysis (I think the 2/3 generation Gauss gun is more representative than 1 generation) and the Spartan laser of Halo. These two guns are the most futuristic and powerful representatives of industrial design in my eyes.
The Future World is a sci-fi literary work written by the author Liu Zhining on 20 14, which tells the future scene of the human world after decades of scientific and technological development.
The story of three generations facing and promoting the future development of human society. According to the development law of human society, the story of the protagonist's personal experience describes the future development of mankind and the important changes and problems that will be faced.
Every story represents the observation and reflection on the changes and development of the most basic key features of human beings, and the future trend is based on the changes faced by these key features. According to the conclusion of the above process reasoning, it shows the possible future of mankind.
Huo Kejian: former president of communication and automatic control company, developing scientific and technological products based on science. Huo inevitable: The current president of communication and automatic control company has developed a new technology facing the future, which has developed intelligent automation to the extreme and completely replaced human beings, including cultivating human descendants. Huo is expected: Huo's inevitable son, a new generation born and raised completely in the machine environment.