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    VIDEO Why were notched sticks so important in medieval times?

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    • ancient techniques craftsmanship culture history measurements medieval times notched sticks survival tools tradition
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    • Forum: The Water Cooler
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    NEWS Scientists Measure Highest Radiation Levels Yet Inside Fukushima's Damaged Reactors

    The latest measurements are over seven times the previously measured high—enough to fry a robot in two hours :eek: Radiation levels recorded inside Fukushima's crippled nuclear power station are at the highest levels since its catastrophic meltdown in 2011. Tokyo Electric Power Co. Holdings Inc...
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    • contamination crisis disaster energy environmental fukushima institute measurements meltdown nuclear power plant radiation radiological reactor safety science sensors sieverts technology tokyo electric
    • Replies: 1
    • Forum: The Water Cooler
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    Fukushima: Nuclear chain reactions may have temporarily restarted 12 days after earthquake

    New evidence suggests that nuclear chain reactions at the Fukushima power plant didn't end when the generators were initially shut down, following the March 11 earthquake. Technology Review explains why Tetsuo Matsui, a researcher at the University of Tokyo, thinks conditions inside two of...
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    • accident cesium-137 chain cooling earthquake environment evidence fuel fukushima generators iodine-131 isotopes measurements melted nuclear radioactive reactions research safety tokyo
    • Replies: 0
    • Forum: The Water Cooler
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