Most people who love unique and vintage eyeglass frames know of Downtown's Quality Optical. The family-run business continues to thrive despite an unexpected death and a dwindling supply of the ...

The types of gases used in these processes vary depending on the specific application, but they typically include gases such as nitrogen, oxygen, and argon. Gas analysis plays a significant role in ...

Researchers have developed a new 3D printing method called blurred tomography that can rapidly produce microlenses with commercial-level optical quality. The new method may make it easier and faster ...