The text is a transcript of a video that features Super Junior, a Korean pop group, and their fans. The video is a mix of music, interviews, dance performances, and behind-the-scenes footage. The video shows the group's history, achievements, challenges, and interactions with their global fanbase. The video also includes some humorous moments, such as pranks, jokes, and mistakes. The video is meant to celebrate the group's 10th anniversary and showcase their popularity and talent.
Here are the key facts extracted from the text:
1. A nuclear fusion reaction was sustained at temperatures over 100 million°C for 30 seconds.
2. The experiment achieved a net energy gain.
3. The core temperature of the Sun is around 15 million degrees Kelvin.
4. The KSTAR facility in South Korea conducted the experiment.
5. The experiment's temperature was nearly seven times hotter than the Sun's core.
Please note that these facts are based on the information provided in the text and should be verified for accuracy.