In this episode i experiment with using my Makerbot 3d printer to make a line of concrete products. My friends at the Urban ...

Green Island Cement said in a press conference in August that oyster shells are perfect for making cement because they are 91 per cent limestone – a key ingredient that requires a carbon ...

The oyster upcycling project aims to reduce the waste heading to landfills and make cement that is more eco-friendly. In 2023, Hong Kong imported more than 3,300 tonnes of oysters. But current ...