http://www.reddit.com/user/AncientLineage
AncientLineage2 karma2019-11-28 06:47:36 UTC
How do lighthouses work properly when you factor in the curvature of the earth? It should curve at 8 inches per square mile so how does light spread across this downward curvature for a few miles?
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AncientLineage2 karma
How do lighthouses work properly when you factor in the curvature of the earth? It should curve at 8 inches per square mile so how does light spread across this downward curvature for a few miles?
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