How to create ultra-cold temperatures (and what it tells us about the universe).
And this article (Below Absolute Zero: Negative Temperatures Explained) tells how to get below absolute zero.
Middle and High School … from a Montessori Point of View
How to create ultra-cold temperatures (and what it tells us about the universe).
And this article (Below Absolute Zero: Negative Temperatures Explained) tells how to get below absolute zero.