On June 28, the Yerkes Future Foundation (YFF), the nonprofit that has operated Yerkes Observatory since 2020, finalized the legal transfer of the site’s massive astronomical glass plate collection ...

You never know what new discoveries might be hiding in old astronomical observations. For almost a hundred years starting in the late 19th century, emulsion-coated dry glass plate photography was the ...

Glass sheets and plate glass consist of flat glass materials in the form of thin or wide slab planar structures. Glass sheets and plate glass come in a wide variety of shapes, sizes, thicknesses, and ...

Borosilicate Borosilicate glass is a formed with the addition of at least 5% boron oxide to silica-based glass. Boron oxide is a network-former. Additions of boron oxide improve strength, corrosion ...