For aesthetic reasons it is nice to have your AGIs, data centres, and even the occasional TITAN, in glass rooms. However standard glass is obviously insufficient against the firepower of Sentinels who often take umbrage at the existence of such machine intelligence. Tempered glass is helpful, but not helpful enough. One could make up a glass that pure fantasy but fear not, you can have a glass one hundred plus years into the future that is somewhat grounded in the reality of contemporary research. Sentinels, I offer the following for your stories - and this article is several years old. New metallic glass is stronger and tougher than steel https://www.zdnet.com/article/new-metallic-glass-is-stronger-and-tougher...