According to the International Commission on Glass, silica is one material that can be used to make glass, but not the only material:

https://icglass.org/what-is-glass/

https://www.nature.com/articles/s41598-025-88894-5

When Mount Vesuvius erupted, the heat of it turned a man’s brain to glass.

You’re telling me there has been a Gay Island this ENTIRE TIME?

Yea, it’s called Fire Island, NY

Edit: A word

Olives have compounds similar to catnip. My cat can’t leave discarded olive seeds alone

Put a sheet of tinfoil in there while waiting for the baby to arrive. That’ll keep him out.

This is the best human interaction I’ve read about in a long time. Maybe ever.