http://www.popsci.com/diy/article/2013-09/drainpipe-submarine?dom=PSC&loc=recent&lnk=3&con=a-diy-submarine-that-can-dive-30-feet
The Historyscoper's Science & Technology News Blog. Daily links to the most eclectic hand-picked news for the elite minority of supergeneralists, plus occasional off-the-wall links.
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