Sparkly Black Chair ²⁰¹⁹

Copper is ubiquitous, but it is usually hidden in walls or electrical devices. It also plays a crucial role in the switch to green energy: one wind turbine can contain up to 5 tonnes of copper. The demand for copper is increasing, but at the same time the mountain of waste is growing. Studio ThusThat made, among other things, this chair from copper slag – a by-product of the copper industry. They used geopolymerization, a technique that results in an end-product containing 80% less CO2. The designers thus hope to breathe new life into copper slag.