/u/GreenEggPage's posts in /r/askscience

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When I'm not wearing my glasses at night, traffic lights appear as a distinct light with a lense flare of 6 more lights in a hexagonal pattern. I understand the reason for the lens flare, but why the hexagon? Are the rods/cones arranged in a hexagon pattern?

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Does the timing of when I add ice to my coffee (before/during/after brewing) change the final temperature?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
When I'm not wearing my glasses at night, traffic lights appear as a distinct light with a lense flare of 6 more lights in a hexagonal pattern. I understand the reason for the lens flare, but why the hexagon? Are the rods/cones arranged in a hexagon pattern?	1
Does the timing of when I add ice to my coffee (before/during/after brewing) change the final temperature?	1