The Christmas Day bombing in Nashville that severely damaged more than 40 buildings on historic Second Avenue and injured at least eight people was yet another reminder of the critical importance of protecting building windows in high traffic urban areas. In this case, the city was fortunate in that the bomber did not intend to harm many people by setting off the device early in the morning on a holiday. Had the timing been different – evening on weekend night – the results could have been devasting. As an example, we need to look no further than the two explosions that rocked Beirut, Lebanon on Aug. 4, 2020, causing more than 170 deaths and injuring more than 6,000. Property damage has been estimated at $10-$15 billion and more than 300,000 people are homeless. Some of the deaths and unspecified thousands of the injured were victims of glass shards, as the force of the explosions shattered windows sending glass flying through the air in a large section of the...