These DARPA-funded bricks can self-repair—and replicate

Concrete may be one of mankind’s worst inventions. While it’s helped us build tall, sturdy buildings, it is causing more damage to our planet than any other material on Earth, largely due to its water use and the carbon footprint of its production. Specifically, grinding stone into clinker, the lumpy gray stuff you see in concrete, accounts for 50% of concrete’s carbon impact. There must be a better way.

Continue reading...