A possible concise summary is:
The text is a transcript of a kung fu comedy movie, where a young man named Joe returns to his village after learning martial arts from a drunken master. He gets into trouble with some local thugs and a rival kung fu school, and has to use his skills to defend himself and his family. He also meets a girl who pretends to be his classmate. The movie ends with a showdown between Joe and his former master, who has turned evil. Joe manages to defeat him with the help of his drunken master and his friends.
Here are the key facts extracted from the text:
1. A nuclear fusion reaction was sustained at over 100 million°C for 30 seconds.
2. The core temperature of the Sun is approximately 15 million Kelvin.
3. The KSTAR facility achieved a net energy gain in a nuclear fusion experiment.
4. The experiment conducted by KSTAR is a significant advancement in nuclear fusion technology.
Please note that these are simplified statements of the facts presented in the text, and the actual details are more complex and technical.