Discover the importance of positive and negative space in art and how it can elevate your drawings Learn practical tips to use space effectively and create visually striking compositions #ArtTips #Pos ...

The Discovery Center Museum in Rockford is teaching visitors how to make a sundial, an ancient tool used to tell time using the sun.

Abstract: This study presents the design, development, and evaluation of a novel radio frequency (RF) direction-finding system for wide field-of-view applications. Combining a novel graded index lens ...