Chao Chen: Water Reaction

For his final year project at RCA, Chinese product designer Chao Chen took inspiration for the pinecone to develop a water-reacting material that can be used for a lot of applications.

Water is an essential element for life: all species, fauna and flora, have evolved with water and have developed vital reactions to water in terms of survival.

Nature always has a professional way to solve life’s problem. In order to release and protect its seeds, a pinecone has the amazing ability to open and close through its surface reaction to water.

This natural phenomenon led Chao Chen to a material study into pinecone of bio-mimicry science and has inspired him to create a laminate water-reacting material. Utilizing inherent properties, this bio-mimetic material detects humidity and changes its shape automatically without mechanical structures or electrical elements. While water is indispensible in our daily life, it sometimes causes problems. In the context of different scenarios involving water (planting, architecture exterior, rain and special package), the water-reacting material has been applied to different products: a water indicator which detects the soil moist and informs users, the architectural surface which changes its colour in the rain, a shelter which automatically closes to prevent the rain and dehumidifying furniture. Using a mechanism analogous to the water reaction from the pinecone, these products utilize a natural way to face the water and solve problems, illustrating nature’s engineering with functionalism and aesthetics.

Chao Chen, Water Reaction. The Water Indicator is designed for home gardeners to detect the soil moist in the plant pot and inform the users about the right time to water the plants.
Chao Chen, Water Reaction
Chao Chen, Water Reaction
Chao Chen, Water Reaction. The Water-reacting Architectural Surface is an architectural exterior material. Installed outside the building, it brings bright colour to residents in dim rainy days, especially in cities usually rains (London, Nanjing, Wuxi, etc.).
Chao Chen, Water Reaction
Chao Chen, Water Reaction
Chao Chen, Water Reaction
Chao Chen, Water Reaction
Chao Chen, Water Reaction. The Water-Reacting shelter is made of laminated water-reacting tiles supported by a plywood structure.
Chao Chen, Water Reaction
Chao Chen, Water Reaction


Water Reaction
Design: Chao Chen
University: Royal College of Arts