1.   Beaudoin and Arnott said there was no doubt that the conductive concrete could block emissions.

2.   Not that the scientists who developed conductive concrete at the National Research Council of Canada were looking to play a role in the world of counterespionage.

3.   Several Canadian and U.S. government agencies, including the U.S. Army Corps of Engineers, have approached the research council about using conductive concrete to trap computer signals.

4.   There is one immediate use for conductive concrete.

5.   With coke breeze, the lab was able to create a conductive concrete that is only two to three times more expensive than ready-mix concrete.