A possible concise summary is:
The text is a transcript of a video where two people are making giant slime with different colors, ingredients and challenges. They exchange their slime and add more elements to make it bigger and more interesting. They also comment on the sounds, smells and textures of their slime. They ask the viewers to vote for their favorite slime at the end.
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 experiment achieved a net energy gain.
3. The temperature achieved is nearly seven times hotter than the core of the Sun.
4. The core of the Sun has a temperature of about 15 million Kelvin.
Please note that these facts are based on the information provided in your text and should be verified for accuracy.