A paper co-authored by UMaine Department of Civil & Environmental Engineering and UMaine Composites Center faculty member Dr. Eric Landis, P.E., was published in the 111th volume of the Proceedings of National Academy of Sciences. The abstract of the paper, titled “Mechanical resilience and cementitious processes in Imperial Roman architectural mortar,” follows: The pyroclastic aggregate concrete of Trajan’s Markets (110 read more Article Co-Authored by Landis Published in Proceedings of the National Academy of Sciences Vol. 111, No. 52, 2014