One drink equals a bottle or can of beer, a medium glass of wine or a very small glass of liquor.

VOA: special.2009.09.08

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

VOA: special.2009.09.16

The four levels of rooms center on a beautiful courtyard with a glass ceiling to let light shine in.

VOA: special.2009.01.11

The next day, they realized that the sand and natron under the fire had melted then cooled into glass.

VOA: special.2009.09.16

And,he likes to work near the other glass artists in the school because they can exchange ideas and methods.

VOA: special.2009.09.16

Other experts say glass making first started four to five thousand years ago in ancient Mesopotamia, present day Iraq and Syria.

VOA: special.2009.09.16

This is because glass has the hardness of crystal materials while also having a disordered arrangement of molecules like a liquid.

VOA: special.2009.09.16

Once the clay dries, the glassmaker dips the form in a container of hot liquid glass until it is covered.

VOA: special.2009.09.16

ALLEN: "What is it,Mister Benny?" BENNY: "Oh,Mister Allen,have you heard that they're making women's bathing suits out of spun glass?"

VOA: special.2009.03.09

So a tiny bit of the outside is melted and is left with this really thin glass on the outside."

VOA: special.2010.07.28

The glassblower must turn the pipe constantly so that the thick liquid glass does not fall off the end.

VOA: special.2009.09.16

In modern terms,the hot oven that the glassblower uses to quickly reheat the glass is called a "glory hole."

VOA: special.2009.09.16

But here,the many objects are stored behind glass so the public can explore the Met's rich collection of historical objects.

VOA: special.2010.08.04

When it is cooked at a very high temperature, the glass pieces melt and take the shape of the clay form.

VOA: special.2009.09.16