Originally Posted by bradedup
errr i didnt mean tempered....
i mean't like...w/e the process of dissolving oxides/metals in glass like that is done in 'bulletproof' glass.
i dont know much about bullet proof (or as it is referred to in the industry "bullet resistant glass") but from a quick google search it looks like the usual BP glass is really layers of plastic and normal glass, but they do have some weird aluminum oxynitride that is transparent and pretty much bullet proof
i know there are some glasses that are crazy strong and probably are bullet proof but i think it is probably more cost efficient to buy a box of bowls lol
but did you check out the prince ruperts drops, they are awesome, reminds me i need to try and make some