The Palace of Discoveries is an exhibition devoted to science and technology located in the Grand Palais in Paris. It is a permanent exhibition, referring to the technical museum located here as early as 1937. You can see various machines and devices that were milestones in the development of science. There is also a "Pi Room", in which the walls have been marked with numerous Pi to 707 decimal places.
The Palace of Discoveries exhibitions focus on five topics: astronomy, physics, chemistry, mathematics, and earth sciences. In the next rooms there are stands for performing experiments. Many of them are classic devices discovered centuries ago, the operation of which is still valid today. The exhibition requires the active participation of visitors who discover the secrets of science on their own.