Glass made by the latter process is called plate glass. The glasses made by the two systems which require blowing are called respectively " crown glass " and " cylinder glass," terms derived from ...

Glass is everywhere—windows, bottles, phone screens—so common that we hardly stop to think about it. It feels so natural, yet it’s entirely man-made. We often question what everyday objects ...

Fran Scott learns how glass is made in a factory. The raw materials are described, together with the use of soda ash to lower the melting point, making it easier to form into useful shapes.

Do you want to find out how glass is made? BOY:Yeah. GIRL:Yeah. CURIOUS CAT:Well, glass starts off as sand. CURIOUS CAT:'A bit like the sand you might find on a beach. But to make clear glass ...