3 relations: Gällsta Runestones, German submarine U-231, Isotopes of uranium.
Gällsta Runestones
The Gällsta Runestones from the 11th century commemorate four generations of the same family in Viking Age Sweden.
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German submarine U-231
German submarine U-231 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II.
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Isotopes of uranium
Uranium (92U) is a naturally occurring radioactive element that has no stable isotopes but two primordial isotopes (uranium-238 and uranium-235) that have long half-life and are found in appreciable quantity in the Earth's crust, along with the decay product uranium-234.
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