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[–] 7 points 1 year ago (1 child)

That is indeed a fun fact! I am somewhat obsessed with sodium vapor lights and the bandwidth of light they produce. I would love to have seen the original camera rig and their special prisms, but apparently they only made three and they've been lost.

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  • [–] 5 points 1 year ago

    High intensity discharge lamps are awesome, can confirm. I miss when streetlamps were still HPS/LPS and mercury vapor, the lighting felt a lot more comforting than the harsh LEDs used nowadays.

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