A granny square, also known as an ‘afghan square’ in the US, forms the basis for many crochet patterns. And once you've ...

The ridged chevron stitch is a classic crochet pattern known for its beautiful texture and versatility. This simple stitch creates a stunning visual effect with raised ridges and valleys ...

In this paper, the design and development of a broad-band double ridge horn antenna (DRHA) have been presented. From the throat to the aperture, the ridge is tapered for smooth impedance matching ...