Tempered glass doesn't make it escape proof; the lamination does. Tempered glass can withstand harder blows, but it shatters into small pieces when it breaks. Sharp objects (like this stone) makes them easier to break, and even a small tap on the edge can make it explode (google prince Rupert's drop to see how it works)
This is also why tempered glass is used in car windows (as "safety glass"; it doesn't make long sharp "swords" that can impale you in an accident.
Tempered glass doesn't make it escape proof; the lamination does. Tempered glass can withstand harder blows, but it shatters into small pieces when it breaks. Sharp objects (like this stone) makes them easier to break, and even a small tap on the edge can make it explode (google prince Rupert's drop to see how it works)
This is also why tempered glass is used in car windows (as "safety glass"; it doesn't make long sharp "swords" that can impale you in an accident.
This is also why tempered glass is used in car windows (as "safety glass"; it doesn't make long sharp "swords" that can impale you in an accident.