The ScienceDaily post is more informative:
<a href="https://www.sciencedaily.com/releases/2020/08/200804111516.htm" rel="nofollow">https://www.sciencedaily.com/releases/2020/08/200804111516.h...</a><p>tl;dr: a specially designed pot creates convection, so it heats evenly (rather than superheats, a problem when you microwave water in a cup, and potentially dangerous).