Coronavirus: Prague kindergarten gets disinfected amid virus spread

The video tutorial covers various topics, starting with an introduction to disinfecting products and their applications. It then discusses Matsumoto's assistance, explores organisms and related topics, provides insights into symmetry and shadow theaters, and concludes with an analysis of institutes and brand associations.

What does the phrase 'chill out cool' suggest about the speaker's attitude?

What can be inferred from the mention of 'shadow theaters'?