Scientists have uncovered the Roman recipe for self-repairing cement—which could massively reduce the carbon footprint of the material today.
Sep 2024
Introducing WIRED Politics Lab!
Although we paused on publishing narrated versions of WIRED articles in this feed, you will still hear the latest in tech and politics from the WIRED team.Join host Leah Feiger and a rotation of guests as they guide you through the exciting, challenging, and sometimes entertainin ... Show More
36s
Mar 2023
Rome wasn't built in a day, but they sure had strong concrete
The Roman Colosseum is a giant, oval amphitheater built almost two thousand years ago. Despite its age and a 14th century earthquake that knocked down the south side of the colosseum, most of the 150-some foot building is still standing. Like many ancient Roman structures, parts ... Show More
13m 12s
Jan 2021
How we could make carbon-negative concrete | Tom Schuler
Concrete is all around us: we use it to build our roads, buildings, bridges and much more. Yet over the last 2,000 years, the art of mixing cement and using it to bind concrete hasn't changed very much -- and it remains one of the world's biggest emitters of carbon. Entrepreneur ... Show More
5m 16s
Apr 2021
The material that could change the world... for a third time | TED-Ed
Today roads, sidewalks, bridges, and skyscrapers are made of a material called concrete. There's three tons of it for every person on Earth. It's also played a surprisingly large role in rising global temperatures over the last century. So, what exactly makes concrete problematic ... Show More
5m 43s