"Acclaimed structural engineer Tim Macfarlane compares the introduction of laminated glass incorporating SentryGlas® Plus interlayer and Secure™ technology to the invention of reinforced concrete at the beginning of the last century"
http://www.dupont.com

'Engineered Glass' has progressed rapidly over the past few years.
No longer used only for looking through, it is now used as stair treads, glass railing, glass walls as well as glass bridge structures and Glass Stairs.

Safety, structure and esthetic challenges have all been solved with the evolution of interlayers available today.