How do we tell future generations about highly radioactive nuclear waste repositories? The critical challenge for nuclear energy production is the management of long-lived waste, which refers to nuclear materials that take thousands of years to return to a level of radioactivity that is deemed “safe”. According to the US Nuclear Regulatory Commission (NRC), in spent fuel half of the radiation in strontium-90 and cesium-137 can decay in 30 years, while it would take 24,000 years for plutonium-239 to return … read more »
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