On The Revolutions Of The Heavenly Spheres (1st floor)

The main theme of the exhibition is rotational motion and its practical applications, as well as related phenomena such as the occurrence of inertial forces in rotating reference systems, including the Earth. Rotational motion is a reference to Nicolaus Copernicus' revolutionary work 'De revolutionibus orbium coelestium' ('On the Revolutions of the Celestial Spheres') and to the dominant exhibit, the Mill of Ptolemy and to the dominant exhibit of the Mill of Knowledge Modernity Centre - Foucault's Pendulum. The Copernican tradition, still alive in Toruń, is also reflected in exhibits presenting contemporary methods of planetary exploration and the structure of the solar system. The exhibition consists of twenty-five stands on the themes of the wheel, rotation, planetary systems and space travel. The exhibition is in one of the main exhibition rooms, with the entrance to the right of the lift doors. The stands are arranged in two zones in a unified exhibition space.

The Machinarium area , to the front and left of the entrance, contains mechanical stations related to the use of the wheel and selected simple machines.

The most impressive exhibit in this area, the Machinarium , is an exhibit in which the task of the visitor or several visitors working together is to move a ball from one end of the machine to the other using mechanisms such as screws, lifts, inclined planes, pulleys, cranks or wedges.

The Rope Tug-of-Way is a stand that allows visitors to experiment with another type of simple machine - blocks - while playing the classic game of tug-of-war.

The Equilibrium, on the other hand, allows visitors to investigate how the length of a force arm affects the value of a moment of force. The weights placed on the arms of the beam are a pair of visitors. Their task is to choose the length of one of the arms in order to balance their weights. The wheel is one of mankind's most important inventions. If not the wheel, what else?

An excellent way to combine science and fun, the Hamster Wheel is designed to generate electricity using your muscles. To the right of the entrance to the exhibition is the Revolutions area , whose main feature is a model spaceship. Inside the ship, you can visit the Nebulae stand to find out about the optical phenomena that create the beautiful colors of nebulae in the Cosmos, and the Meteor Falls stand where you can 'make' craters on the lunar surface.

Who covers the Moon for us? a stand next to the Space Station , allows visitors to learn about astronomical phenomena caused by the movement of celestial bodies and changes in their position relative to each other. Also worthy of note is the stand in the right-hand corner of the room behind the space station.

This is the Free Fall Stand , where we can perform one of the most classic physical experiments, Galileo's, which shows that bodies in a vacuum fall with the same acceleration, regardless of their weight. The last but not least, there is the visually stunning exhibit The Great Carriage, suspended between the railings. This is an installation of models of stars that form one of the most recognizable asterisms in the night sky. At the stand, we can also see what kind of pattern this group of stars would make if we could observe it from other parts of the Cosmos.