Metal surfaces require careful observation, and this drawing tutorial focuses on how to accurately render stainless steel ...

OpenOffice.org Draw is all about objects -- items inserted into a document, each of which can be edited independently. In fact, whether you insert a picture from a file or create an object selected ...

A typical reflective object sensor consists of an infrared light emitter diode (IRED) and an NPN silicon phototransistor mounted side-by-side on parallel axes in a compact black plastic housing. The ...

PITTSBURGH--Kitchen robots are a popular vision of the future, but if a robot of today tries to grasp a kitchen staple such as a clear measuring cup or a shiny knife, it likely won't be able to.