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Re: [Phys-L] sextant unhackable

Unhackable? Consider Common Core ... (smile)

On 11/3/2015 11:08 AM, Bernard Cleyet wrote:
In the era of GPS, Naval Academy revives celestial navigation - LA Times

http://www.latimes.com/nation/la-na-celestial-navigation-20151025-story.html


bc has a shipboard octant and a lifeboat one.
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