Four hundred years before modern interactive design became a trend, a remarkable ceramic crab was already captivating audiences in ancient China. Placed inside a porcelain cup, this ingenious creature would float and dance to life the moment wine was poured, transforming a simple drink into a mesmerising and joyful spectacle.Between 2018 and 2022, archaeologists unearthed the cup in the ruins of Zhouqiao Bridge along the Bianhe River in Kaifeng city, located in today’s central Chinese Henan...