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Prof. RNDr. Petr Kulhánek, CSc.: (Planetum Prague) - About extraordinary ordinary things - Lecture about the fact that physical phenomena are the same both in our home and in space. A series of short reflections on phenomena that we encounter every day and have no idea how deeply they are related to astronomy. We will talk about what magic can be done with an ordinary drop of water, what boiling is and how it is related to astronomy, how a cup of tea is related to Mach's principle or what a mirror has to do with particle physics.