A general theory of thin-wire multiturn loop antennas is presented. For convenience the windings of the loop are considered to form a circular helix. An integral equation is derived and solved ...

Dragonfly ear cuff - How to make handmade copper wire jewelry Can be combined with stone or not. You can use any small stone ...

Simple butterfly ear cuff - handcrafted copper jewelry 348 With these simple steps, you can create butterfly of different ...