Do you know… ?

What glass is?

That glass is made from sand?

How to make vases, plate glass, mirrors, Christmas baubles?

That you have to anneal glass so that it doesn't break ?

That large cylinders of glass are transformed into plate glass ?

Why glass is transparent?

That glass can imitate all kinds of stones, porcelain and lots of other materials… ?
That glass has been around for around 5000 years?

That if glass had not been invented, none of the sciences would have been able to advance?

That Charleroi was the world capital of glassmaking?