What is the Concept of 4 Trillion Degrees Celsius?

Can the core of the sun reach this temperature?

In the 1970s, Dr. Morse’s laboratory experienced an unprecedented temperature war, which not only created historically high temperatures but also gave scientists a deeper and more accurate understanding of temperature.

Moreover, after creating these record-high temperatures, a new “champion” emerged on the list of the “hottest.”

So, who is this “champion”?