Learn how to craft a beautiful double heart ring perfect for Valentine's Day, using simple techniques with copper wire.

In this video I will weave double-stranded herringbone instead of the usual single-stranded. Combine 3 rows of links to create an alternating effect that highlights the middle of the bracelet.

In this paper, a compact log-periodic dipole array (LPDA) antenna is developed at 0.5-10 GHz. This LPDA structure constitutes fewer dipole elements than a conventional LPDA antenna that exhibits ...