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Hey Ray: The Sun Compass 02:28. PITTSBURGH ... We will use this to track the Sun's path, so we can finish our compass. Put the stick on the ground and mark the end of the shadow.
Picture this: you’re with friends in an unfamiliar forest using only a map and a compass to guide you to an upcoming checkpoint. There are no cell phones or GPS gadgets to help, just good old… ...
A compass that relies on polarised light can use the sun to tell where magnetic north is, even when it is cloudy. It is based on how some insects navigate and could be used when conventional ...
Sun Compass, Bumstead National Air and Space Museum. Click to open image viewer. CC0 Usage Conditions Apply Click for more ... with white luminous figures on black face. 3-1/4 inch diameter metal ...