ScienceTechyNews: Searching for lost WWII-era uranium cubes from Germany

In 2013, Timothy Koeth received an extraordinary gift: a heavy metal cube and a crumpled message that read, 'Taken from Germany, from the nuclear reactor Hitler tried to build. Gift of Ninninger.' Koeth accepted the cube and its note as an invitation to the adventure of a lifetime. In Physics Today, Koeth and Miriam Hiebert describe what they've discovered while exploring the German quest and failure to build a working nuclear reactor during WWII.

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