Super easy solution?

"Huh? Ice?"

"Ivanov, you are so clever!"

Hearing this plan, the people below seemed to have an epiphany, discussing one after another, lamenting that they had fallen into a fixed thinking pattern.

What about heat radiation and heat-insulated bottles are the easiest things for these highly intelligent people to think of, and they are also the easiest to fall into the stereotype of thinking. Using ice to cool down is unexpected.

This kind of concise and effective thing is what the wild wolves admire most. Like the nuclear bomb promotion plan at the beginning, it was simple and effective, with no technical content, but it achieved great things, which is what the wild wolves most admired.

Professor Ding also reacted, and couldn't help sighing, this is really a simple and crude method...