While going through my Dad’s estate last year, I came across a strange artifact I had never seen before—a large, carefully crafted, but empty, wooden spool for wire. It was dated “May ‘44”, and its gross, tare and net weights were measured and recorded by hand, as if its wire had been unusually valuable. Suddenly, one of my Dad’s stories came to life. The wire likely was silver.
When I was three days old, Dad was recruited as an engineer for a secret project. His job was helping separate isotopes of uranium. Early in 1944, he drove Mom and I from Berkeley, California, to Oak Ridge, Tennessee. His group was building an electromagnet the size of a “football field.”
Due to the war, copper wire was in short supply. Silver is an even better conductor. So they asked the federal government, “How much silver is in Fort Knox?” (more…)