Corning Museum of Glass

Listen for a moment. Somewhere ahead you can hear a low, steady roar. It is the sound of a furnace, and it never really stops. The air near the hot shop carries a faint warmth, and the light inside the galleries feels soft and white, almost like the inside of a cloud. You are standing in a building that exists to study one material. That material is glass.

Welcome to the Corning Museum of Glass, in the small city of Corning, in the Southern Tier of New York State. Rolling hills and the Chemung River surround the town. It may seem a quiet place for a world centre of glass. But glass is the reason this town looks the way it does, and the museum is the clearest way to understand why.

The story begins with a company. In the 1860s, a glassmaking firm moved here from Brooklyn, drawn by the railway and the river. That firm became Corning Glass Works, today known simply as Corning Incorporated. For more than a century and a half, the company and the town have grown together. Many families here have worked with glass for generations, in factories, laboratories and studios.

In 1951, the company opened this museum as a gift to the community and to the wider world. It marked the company's one hundredth anniversary. From the start, the museum was set up as a separate, nonprofit institution. Its mission was broad. It would not only show Corning's products. It would tell the whole human story of glass, from the ancient world to the present day.

That story is very long. The collection holds tens of thousands of objects, and together they span roughly 3,500 years. In the older galleries you will find small vessels from ancient Egypt and Mesopotamia — the region between the Tigris and Euphrates rivers, in present-day Iraq. You will also see Roman glass, Islamic glass, Venetian goblets, and delicate work from Europe and Asia. Walk slowly here. Each case is a short lesson in how people learned to shape sand into light.

Here is a detail many visitors miss. Some of the oldest pieces were not blown at all. Before glassblowing was invented, around the first century before Christ, makers formed glass around a core, or pressed it into moulds. When you see a small, opaque, striped bottle, look closely. It was likely built up by hand, layer by layer, long before anyone learned to inflate glass with breath.

Now follow that roar back to its source. The museum runs live hot glass demonstrations, and they are often the part people remember most. A gaffer — the lead glassmaker on a team — gathers molten glass on the end of a long steel pipe. The glass glows orange, then cools to a dull red. The team turns, blows, shapes and reheats it, talking quietly to one another. A narrator explains every step as it happens.

The most surprising object in the building may be a plain grey disk. It is a huge mirror blank, cast here in Corning in the 1930s, for the great telescope at Palomar Observatory in California. This first casting had flaws, so a second disk was poured and sent west instead. The rejected one stayed behind. Stand beside it and notice the honeycomb pattern on its back. That ribbed structure kept the glass lighter and helped it cool evenly.

That disk leads you into a different side of glass: science and industry. The innovation galleries show how glass changed daily life. You will see heat-resistant cookware, the optical fibre that carries much of the world's internet traffic, and the tough cover glass used on phone screens. It is a strange thought. The device in your pocket may hold a direct descendant of the work done in this town.

In 2015, the museum opened its Contemporary Art and Design Wing. The design is calm and bright. Its white galleries are lit from above, so daylight falls evenly on the work. Here, glass becomes sculpture, installation and furniture. Some pieces are enormous. Others are as thin as paper. Many of the artists push glass into forms that seem to fight the nature of the material itself.

The museum has also faced hard times. In 1972, Hurricane Agnes sent floodwater from the Chemung River into the town. Water filled the lower levels of the museum. Many objects were damaged, and the library's rare books were soaked. Staff and volunteers spent years cleaning, drying and restoring the collection. That work helped shape modern methods for saving water-damaged books and objects.

The library survives today as the Rakow Research Library, one of the most important collections anywhere on the subject of glass. It holds books, prints, drawings, trade catalogues and archives. Most visitors never step inside. But scholars, artists and collectors come from many countries to use it. The museum is not only a place to look. It is also a place where the study of glass continues every day.

You can also try the craft yourself. In the studio, visitors can make a simple glass piece with the help of an instructor — a flower, an ornament, or a small bowl. You will feel the heat on your face and learn how quickly glass changes as it cools. Afterwards, the piece needs time to anneal, which means cooling slowly so that it does not crack.

Before you leave, pause near a window or in the bright wing. Look at the glass in front of you, and then at the ordinary glass around you — the windows, the cases, even a drinking glass in the café. It is the same material, only shaped differently. As you walk back into Corning, toward the old brick storefronts of Market Street, listen once more for that low roar behind you. The furnace is still burning.