Shell of an idea: Designers repurpose mollusk waste into concrete
In South Korea, design firm Newtab-22 is turning waste shells from seafood and aquaculture industries into a terrazzo-like material. Dubbed Sea Stone, the shells are ground and mixed with natural, patent-pending binders to create a material that can replace concrete in small products like tiles, table tops and vases. Shells contain calcium carbonate, or limestone, […]














