Soft copper wire : 20 gauge (wire diameter 0.8mm) : 4cm (about 1.5 inch) for each link 4.5cm (about 1.8 inch) for clasp Spherical crystal 6mm diameter Can use 4 or 6mm beads, or any beads you have ...
Soft copper wire 26 gauge (wire diameter 0.4mm): about 500cm (200 inch) 20 gauge (wire diameter 0.8mm): 2 strands, each 3cm ...
Commercial nuclear reactors all work pretty much the same way. Atoms of a radioactive material split, emitting neutrons.
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