A simple technology could secure the border for a fraction of the cost of a wall | Hacker News

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		A simple technology could secure the border for a fraction of the cost of a wall (pulse.ng)
		2 points by vezycash on Feb 3, 2019 \| hide \| past \| favorite \| 1 comment

zunzun on Feb 3, 2019 [–]

Given the current size of the U.S. nuclear weapon stockpile, it seems entirely feasible to blast a 2000-mile-long trench between the two countries. That would work.

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