to how to see complexity in very simple everyday things, and today we have a wonderful guest maria kalininaacademy of sciences, leading researcher at the frumkin institute of physical chemistry and electrochemistry , grigory, yes completely, absolutely true, and today we will talk on the one hand about very complex chemistry and about very simple things, for example, about soup, let's try to tie them together , yes, we'll try, let's start with soup, well, all of you have at least eaten soup, and sometimes cooked soup, you cook soups, i, of course, yes, but what kind of soups do you like to cook? well, i, probably like everyone else, like most housewives in our country, first of all cook borscht, chi, solyanka, well, occasionally karasolnik, well, where does borscht begin, borscht begins with broth. that's right, what is broth from the point of view of colloidal chemistry? broth from the point, let's still think it's worth it give a definition of what coloin chemistry is? split chemistry studies surface phenomena, the behavior of dispersed systems, dispersed means crushed, you are already sc