Drawpile is a drawing program that lets you draw, paint and animate together with others on the same canvas. It runs on Windows, Linux, macOS and Android. Take a look at the downloads page on drawpile ...

Abstract: In this work a new multiparameter sensor platform based on lossy mode resonances is presented. The structure consists of a soda-lime optical slab waveguide butt-coupled to multimode optical ...

The Rudolph Research J257 Wide Range Refractometer was developed by working together with laboratory refractometer users from the polymer, petroleum, petrochemical, pharmaceutical and essential oil ...

An 1851 ink-and-watercolor gift drawing titled A Type of Mother Hannah’s Pocket Handkerchief by Polly Jane Reed, a Shaker in New Lebanon, New York. Andrews Collection, Hancock Shaker Village, ...

Abstract: A temperature-insensitive fiber refractometer, which consists of a simple single-mode–multimode–single-mode fiber optic scheme, is theoretically proposed and experimentally demonstrated. The ...