الاثنين، 8 يونيو 2015

Pulsar navigation: piloting aircraft with the aid of the stars

A spacecraft with integalactic pulsar GPS navigation
In days gone by, captains sailed their vessels over the oceans by aid of the stars. Today, this has been mostly replaced by GPS, but the stars may soon make a comeback.

sourse ExtremeTech http://ift.tt/1Gmoutm
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