More than that, she calculated how high it will float, and how height will depend on temperature, before starting the experiment, and confirmed all her predictions.
She has been alluding to old Soviet scientists having a theoretical foundation for the type of conductivity shown. She posted a link to this comment that explains some of the background: https://news.ycombinator.com/item?id=36996337
Check out her twitter for some real fun rants @iris_IGB
