Graham Ross Leonard Cowan 
Member since Jan 20, 2018



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Re: “Arguments over nuclear power make my eyes glaze over

Measuring radioactivity in ocean units is a nice way of testing this. The world ocean naturally contains radiopotassium that produces 1.8 gigawatts of radiation and uranium that, with its various radioactive daughters, produces 400 megawatts. Other minor natural radioactivities also exist but don't change the total, 2.2 gigawatts, enough to matter.

This is a nice size of unit because it's midway between the very large amounts of radioactivity that naturally exist in the continents, thousands of ocean units, and the rather small amounts that exist in typical nuclear power waste caches, e.g. the containers seen in the background at . Each of them contains about a millionth of an ocean unit, about the same amount that got *into* the ocean as a result of the Fukushima meltdowns, but could not duplicate even that very slight contamination because their contents are too old to have any self-melting potential. If dropped in the ocean, each one would just lie on the bottom, keeping its micro-ocean-unit to itself as it diminished to a nano-unit (a billionth) and beyond.

So when we ignore the disposal of nuclear power waste, it's because it has never been a genuine concern to anyone. In this we behave rather like the Greenpeace associate seen pretending to pull a boat at . If nuclear power waste were a genuine concern, the waste-to-be in the two reactors he's posing with, being a thousand times more radioactive than it will be when it attains waste status, would be a concern a thousand times more genuine.

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Posted by Graham Ross Leonard Cowan on 01/20/2018 at 8:59 AM

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