For two days from June 7 to June 8, 2024, the UTokyo Komaba Campus Research Open House 2024 took place and the Ouchi Laboratory presented an exhibit on the smelting and recycling of non-ferrous metals such as precious metals and rare metals, as well as related processes. Graduate students explained the exhibit to visitors. They also demonstrated electroless plating. Visitors were interested in the electroless plating reaction, in which a film is deposited with the generation of bubbles.