By Keiron Monks, for CNN
Editor's note: Make, Create, Innovate is a new science and technology series that tells the stories behind the inventions and technological breakthroughs that are reshaping our world.
(CNN) -- Smartphone mapping features are great for getting directions, until you lose signal. But you could avoid getting lost in the woods with a guiding system embedded in your body.
Electronic engineer and biohacker Brian McEvoy has designed the first internal compass, and will be the first test subject. The 'Southpaw' -- inspired by the North Paw bracelet - works by sealing a miniature compass inside a silicon coat, within a rounded Titanium shell, to be implanted under the skin. An ultra-thin whisker juts out, which is activated when the user faces north, to lightly brush an alert on the underside of the skin.
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