Silver has been used for thousands of years as ornaments and utensils, for trade, and as the basis for many monetary systems. Of all the metals, pure silver has the whitest color, the highest optical reflectivity, and the highest thermal and electrical conductivity. Backstory. Whenever you read some precious metals expert discussing the industrial uses of silver, here is the typical spiel that goes: "Silver is essential in jewelry, electronics, medical, solar, electric vehicles, and Green Energy storage systems (i.e., batteries)." Very good, Captain Obvious, but it's my fervent belief that military and aerospace usages of silver gobbles as much...