This is a summary of the text:
- The text is a transcript of a song that mixes Vietnamese and English lyrics.
- The song is about the history, culture, and geography of Vietnam, as well as the personal experiences and emotions of the singer and his friends.
- The song mentions various places, events, and people related to Vietnam, such as Viet Bac, Dien Bien Phu, Uncle Ho, Quang Binh, and Ban Gioc Quan.
- The song also expresses the love, pride, and nostalgia of the singer for his homeland, his family, and his comrades.
- The song has a lively and upbeat tone, with some elements of humor, sarcasm, and irony.
Here are the key facts extracted from the text:
1. A nuclear fusion experiment in South Korea achieved temperatures over 100 million°C.
2. The core temperature of the Sun is around 15 million degrees Kelvin.
3. The KSTAR facility sustained a nuclear fusion reaction for 30 seconds.
4. A net energy gain was achieved in the nuclear fusion 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 your text and should be verified for accuracy.