Self-healing concrete plugs cracks with CO2 sucked from the air

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Wow… the guy’s name is Rahbar. He brings us the next best thing for concrete reinforcement since rebar!

Em_Adespoton

Awesome, can’t wait to never hear about this again

smokeyfantastico

Ancient Romans already figured this out; they added blood to their concrete.

happyskydiver

Concrete salesmen hate this one simple trick!

PandaCatGunner

This headline gave me a stroke.

Wishdog2049