<a class="
sqs-block-image-link
" href="https://xkcd.com/2982/" rel="noopener" target="_blank">
<img alt="" height="467" src="https://images.squarespace-cdn.com/content/v1/5355d604e4b03c3e9896e131/387450f7-0c5b-4e62-85be-87148f628a01/water_filtration.png?format=1000w" width="593" />
</a><figcaption class="image-caption-wrapper">
via the comic & dry wit of Randall Munroe, creator of XKCD
The post Randall Munroe’s XKCD ‘Water Filtration’ appeared first on Security Boulevard.
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