The text is a transcript of a video commentary on a Russian TV series called "School". The commentators are two men named Yulik and Ruslan, who make jokes and observations about the plot, characters and scenes of the show. They also promote their merchandise and channels. The show is about the lives and problems of teenagers and teachers in a rural school, involving topics such as sex, drugs, violence, family issues and education. The commentators react to various events in the show, such as a rape attempt, a fight, a date, a pill scam, a teacher-student affair and more. They also imitate some of the dialogues and draw sketches of the characters. The text is informal, vulgar and humorous.
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 around 15 million degrees Kelvin.
3. The KSTAR facility achieved a net energy gain from a nuclear fusion experiment.
4. The experiment conducted by KSTAR is a significant step in nuclear fusion research.
Please note that some parts of the text were unclear, so I focused on the most concrete facts presented.