International Exhibition of Inventions ARCA 2025 You are invited to participate in this year’s ARCA 2025, the 23rd edition of the International Exhibition of Inventions, which will take place from 16 to 18 October 2025 in Zagreb. The exhibition will present innovations from Croatia and the world. It will include a significant number of innovations that are the result of the creativity of individuals, teams in companies, the academic community, and other structures of society as well as innovations that are the result of the knowledge and inventiveness of young people from the education system that are the pledge of […]