Recent content by aliasz

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    I Depth of field phenomena -- distant objects visible through close objects

    thanks for your answers, by the way here is the photo with background blurred/defocused. so you can see the thickness of the metal grid, and the odd orange beetle?.
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    I Depth of field phenomena -- distant objects visible through close objects

    I observed a photograph taken with my telephone, and it has depth of field. foreground blurring of an metal grid mesh. yet some objects in the background are visible troughout the total blur of the mesh. marked with green circles. the depth of field or focal blur, almost makes the metal mesh...
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    Mirror phenomenon — Concentric halos around eyes in a foggy bathroom

    and my question about the phenomena is the same as this user "see older thread" has questioned here, only i made an example of the effect https://www.physicsforums.com/threads/mirror-phenomenon.432734/
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    Mirror phenomenon — Concentric halos around eyes in a foggy bathroom

    hi, no i am sorry i couldn't find any real images on this subject, so for now i made an observation and a mockup in photoshop. maybe i can take a photo of it when it happens. but i don't think my camera on my phone will capture this effect/phenomena on photo due to poor lighting conditions.
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    Mirror phenomenon — Concentric halos around eyes in a foggy bathroom

    Follow up a former thread, about concentric halo`s around the eyes, in a foggy bathroom mirror. I made an example picture of what was observed. But i don't know what causes the phenomena
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    What is the Role of Scientists in Society?

    Hi all, i am a new member
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