pdsJun 5, 20181 min readAn interesting "Forbes" ArticleUpdated: Feb 16, 2020https://www.forbes.com/sites/hilarybrueck/2015/10/15/a-storm-proof-bulletproof-concrete-with-few-competitors/#7a22c4c19657Just a few years old but still very relevantPete
https://www.forbes.com/sites/hilarybrueck/2015/10/15/a-storm-proof-bulletproof-concrete-with-few-competitors/#7a22c4c19657Just a few years old but still very relevantPete