How far away can you see a candle in the dark?
Considering the absolute threshold, the brightness of a candle flame, and the way a glowing object dims according to the square of the distance away from it, vision scientists conclude that one could make out the faint glimmer of a candle flame up to 30 miles away.
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Fun Facts and Shower Thoughts!
Non-FictionJust a few fun facts and shower thoughts to cheer you up during quarantine! 20 new facts a day! Thanks!