@ARTICLE {, title = {Smädný bocian a fyzika}, author = {Onderová, Ľudmila}, journal = {Obzory matematiky, fyziky a informatiky}, year = {2001}, volume = {30}, number = {1}, pages = {39--43}, issn = {1335-4981}, abstract = {There are many toys which are based on a certain physical phenomenon or law. In the paper the analysis of the physical principle of one of them – “thirsty stork” is presented. This toy can by used to demonstrate these physical phenomena and to encourage the interest of students in the taught topic. }, }