Once again leave it to DARPA to be the greatest developer of new high tech ways to kill people, because the US Govt’s stockpiles of ammuniton aren’t good enough, now they need “Smart” bullets

DARPA is looking again at the Global Positioning System in a bid to reinvent the tech which used to be cutting edge military gear but these days is tracking dogs and finding golf balls.

DARPA’s director Arati Prabhakar has announced that GPS is past its prime, and that DARPA will set out to create an alternative, or complementary, technology designed to be small enough to fit inside small-calibre ammunition.

DARPA has long had aspirations toward a guided sniper bullet, though the intriguing EXACTO project has thus far seem to focus more on a heavy .50-cal projectile to be guided smartbomb-style by a laser dot.

There is, of course, another alternative: the use of the plethora of radio signals in which we are constantly swathed. If one knows the location of every TV, radio and cellular transmitter then a multi-frequency radio could enable triangulation

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