For two days from May 30 to May 31, 2025, the UTokyo Komaba Campus Research Open House 2025 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. Manyyoungvisitors,includingelementaryandhighschoolstudents,werefascinatedbytheelectrolessplatingprocess,whereametalfilmformswhilebubblesemerge.