Soft copper wire for rings with diameter 1.5cm 20 gauge (wire diameter 0.8mm): 40cm (16 inch) If you are making 1.5cm larger diameter ring, cut a longer piece of wire. Can make straight or zigzag ...
Stone : 8mm ( diamond faceted shape ) Soft copper wire : 20 gauge ( wire diameter 0.8mm ) : 25cm ( 10 inch) 22 gauge ( wire diameter 0.6mm ) : 2 x 15cm ( 6 inch) ...
A team of physicists has discovered a surprisingly simple way to build nuclear clocks using tiny amounts of rare thorium. By ...