Machinery Safety 101

Relative Radiation Doses – XKCD

Here’s a chart that shows the relative doses of radiation and the levels of external dose that is fatal. Thanks to XKCD for this great illustration!

How Risk Assessment Fails – Fukushima Dai Ichi

Fukushima Dai Ichi Nuclear plant before the meltdown

The events unfolding at Japan’s Fukushima Dai Ichi Nuclear Power plant are a case study in ways that the risk assessment process can fail or be abused. In an article published on Bloomberg.com, Jason Clenfield itemizes decades of fraud and failures in engineering and administration that have led to the catastrophic failure of four of…

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