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Neutron counts under the Chernobyl sarcophagus rose, but the best evidence says the spike came from shifting moisture inside the wrecked reactor, not an approaching chain reaction. (www.earth.com)

submitted 3 days ago* (last edited 3 days ago) by RegularJoe@lemmy.world to c/science@lemmy.world

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Neutron counts under the Chernobyl sarcophagus rose, but the best evidence says the spike came from shifting moisture inside the wrecked reactor, not an approaching chain reaction.

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[–] thespcicifcocean@lemmy.world 6 points 3 days ago

They said that the keff value doesn't exceed 1.27, is that within the normal range for this? Anything over 1 is supercritical, so shouldn't any value of greater than 1 be concerning?