Communications are concise and should not exceed four journal pages (~2000 words) in length; they may be accompanied by supplementary material. Communications start with a brief unreferenced abstract ...

Perspectives are approximately 4,000 words long and begin with a 100–150-word unreferenced abstract written for a general audience. Perspectives typically include 2–4 display items (figures ...

The SHSLab is a powerful and comprehensive wavefront measurement solution from Micro-Epsilon. Developed by Optocraft GmbH, a ...

A weekly magazine and others reported that some parts of the essay “bear a close resemblance to unreferenced material.” A person related to a magazine contacted the agency about the matter on Feb.