I was on a techies web site and a lighting expert on LED’s, CFL’s, etc. was lecturing us about headlights.
I asked him a simple question.
“Where are the head lights on a submarine?”
It took him three paragraphs to explain to me why submarines don’t have headlights.
I asked him a simple question.
“Where are the head lights on a submarine?”
It took him three paragraphs to explain to me why submarines don’t have headlights.

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