If you like the technique in video 1047, but don't like the rose pattern, or want to work with small stones, this video is the solution for you. You can use any wire you have. Large diameter wire will ...

Along the Nile, in what is now Sudan, archaeologists have uncovered evidence that children (some barely past infancy) were tattooed more than 1,400 years ago. Surprisingly, this breakthrough came from ...

Abstract: This paper introduces a novel control strategy for voltage and frequency ($V / f$) regulation of grid-forming inverters within AC microgrids. Serving as a ...

In mid-August, Portland International Airport (PDX) opened phase one of a $2.1 billion main-terminal upgrade. This gateway terminal to the city of Portland, Oregon makes a memorable statement to ...