2 thoughts on “Green laser in Berlin”

  1. As an astronomer I would better say:
    "seriously unnecessary light pollution" 🙂
    ... or is this laser used for any scientific purpose?

    CU Frank

  2. I looked at it closer today. I don't know if they change the direction every now and then, but today it was pointing pretty horizontal. I don't think it's useful in any way, it's just for show.

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