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How's this for a follow up:

If borosilicate glass were too fragile to make a blade with, there are many suppiers to the surgical industry who use lab grown sapphires to make blades for scalpels of...

Sounds like fun, really. I'm a glassworker-in-training, so to speak, so I can chime in a little about this idea.

Glass, as we know it, is silica sand melted together, with various other...