AllMovie

Students may be familiar with safety glass, which differs from ordinary glass in the way it breaks up. Regular glass will shatter into sharp-edged pieces that cut like knives, but safety glass does not. In this short program, host Bob Symes demonstrates the difference in the manufacturing process that makes safety glass safer to be around in The Way Things Work: What Is Safety Glass?. A special layering of the glass means that breakage will result in small crystals of glass instead of dangerous shards. The clear explanations are easy to comprehend for students up to the age of 14.