Uranium cubes, lost and found – How close the Nazis came!


Uranium cube from the failed Nazi reactorJohn T. Consoli/U of Maryland

❝ When University of Maryland physicist Timothy Koeth received a mysterious heavy metal cube from a friend as a birthday gift several years ago, he instantly recognized it as one of the uranium cubes used by German scientists during World War II in their unsuccessful attempt to build a working nuclear reactor. Had there been any doubt, there was an accompanying note on a piece of paper wrapped around the cube: “Taken from Germany, from the nuclear reactor Hitler tried to build. Gift of Ninninger.”

❝ Thus began Koeth’s six-year quest to track down the cube’s origins, as well as several other similar cubes that had somehow found their way across the Atlantic. Koeth and his partner in the quest, graduate student Miriam “Mimi” Hiebert, reported on their progress to date in the May issue of Physics Today. It’s quite the tale, replete with top-secret scientific intrigue, a secret Allied mission, and even black market dealers keen to hold the US hostage over uranium cubes in their possession. Small wonder Hollywood has expressed interest in adapting the story for the screen.

This truly is an interesting read. From the tale of just how close the Nazis got to a working nuclear reactor to how some of these cubes ended up in the United States. Enjoy!

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