Su Chen has become the youngest scientific research academician in history, devoted himself to research, only for the rise of great powers, and to get rid of foreign constraints. He suddenly entered a place called the Hyperspace Exchange, and with a pen, he could exchange for the world's topControllable nuclear fusion technology? If you think 'Trading across time and space, turn in controllable nuclear fusion at the beginning' is not bad, please don't forget to recommend it to your friends in QQ groups and Weibo!