If light travels 1 km through air, how much of it is lost to friction? This question was originally answered on Quora by Ron Davis.
from Forbes – Tech http://ift.tt/2dPBrkl
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If light travels 1 km through air, how much of it is lost to friction? This question was originally answered on Quora by Ron Davis.
from Forbes – Tech http://ift.tt/2dPBrkl
via IFTTT