The artist can then add a second color of glass to make designs over the first layer of glass.

VOA: special.2009.09.16

I could make this out of borosilicate glass.

我可以用硼硅玻璃来做。

麻省理工公开课 - 固态化学导论课程节选

This French artist uses small colorful squares of glass to make an image of a space creature.

VOA: special.2009.04.08

For example, adding copper to glass can make it blue, while adding tin can make it white.

VOA: special.2009.09.16

A glass container made by casting or core-forming could take a few days to make.

VOA: special.2009.09.16

With glass blowing, an artist could make many containers in a day.

VOA: special.2009.09.16

How did he make this interesting glass form?

VOA: special.2009.09.16