Experiment associated with the pendulum of Foucault in the Piotr and Paweł church was very interesting. they proved empthatically and scientifically that the Earth was in motion and we aren't only sensing effects of the movement of the planet, on which we adapted gradually to the life. From photons we stood into the photon we are socializing ... The church is delightful and built on the baroque idea that is only visible places are decorated for the eye rather than the entire church, the entry sculptures are gracing Cracow sculptor of Kacper Barzanki, there is a crypt of one of rectors of the university inside among others in Vilnius ... Experiment associated with the pendulum of Foucault was a Night of Scientists on the occasion of the annual party called Lesser Poland ...