#4 Novel floor-slab system, reinforcing 3D-printed concrete and capturing CO2

Highlights of #4: Novel, funicular, rib-stiffened, vaulted concrete slabs, which were described by FastCompany as "ïngeniuos floors"? Make sure to have a read about the work of Block Research Group from ETH Zurich! Besides, we are talking about various possibilities to reinforce 3D printed concrete and to use construction materials for capturing or storing carbon dioxide.