Tag: concreto

Why the world is running out of sand

Enviado por Fabio
It may be little more than grains of weathered rock, and can be found on deserts and beaches around the world, but sand is also the world’s second most consumed natural resource.

26/02/23 | hace 635 días | www.bbc.com

2,050-year-old Roman tomb offers insights on ancient concrete resilience

Enviado por Fabio
Concrete often begins to crack and crumble after a few decades of life—but curiously, that hasn\'t been the case with many Roman structures. The structures are still standing, exhibiting remarkable...

12/10/21 | hace 1137 días | techxplore.com