Restarting Civilization: Starting with Controllable Nuclear Fusion

Controllable nuclear fusion, optical stealth, aircraft carriers, space stations, space elevators, mechas, drones, all kinds of technologies can also shine in reality. The most sci-fi style upgrade and become stronger, of course, is to climb the technology tree. Whether it is leading the country to use technology to save the world before the end of the world, or helping the country break the technological blockade in an overhead background, or helping humans enter space and enter the universe, they are all tasks worth challenging.