This pattern is suitable for stone with holes, especially spherical and round stones. With the average stone size I usually do, about 1 - 1.5cm in diameter, Can use wire with diameter 0.6 - 0.8mm (22 ...

The fluorescence of organic fluorophore molecules is enhanced when they are placed in contact with certain metals (Al, Ag, Cu, Au, etc.) whose surface plasmon waves couple into the radiative modes of ...