The length of the wire to use depends on how big of the waves you want to make. In the video I use : 18 gauge ( wire diameter 1mm ) : 9cm( 3,5 inch), 4,5cm( 1,7 inch) Can be used as a bracelet ...

Earth holds immense but untapped energy potential, with winds, sunlight, and ocean waves providing free and renewable energy sources. While considerable investments have been made in wind ...