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Type: Posts; User: monogroover

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  1. Replies
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    I think an excellent experiment would be to take...

    I think an excellent experiment would be to take a pic on a clear day with a better camera, with the horizon as centred as possible. Then to do the same again, with the camera upside down. Then to...
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    Yes, this is well understood. I wonder if the...

    Yes, this is well understood. I wonder if the curvature of the horizon in the image is a product of over-correction by the phone's camera app? That at least would make sense.
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    I'm trying not to, but: wide angle lenses distort...

    I'm trying not to, but: wide angle lenses distort in a particular way that wouldn't cause the upward curvature of a line below the centre of the image. I'm sorry if you haven't understood that.
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    Again: no, I didn't. So: here's a graphic that...

    Again: no, I didn't.

    So: here's a graphic that represents what barrel distortion does to an image:

    https://i.ibb.co/8PCHzBJ/barreldistortion.jpg

    In this case, the line of the horizon -...
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    I didn't. But the wide angle distortion described...

    I didn't. But the wide angle distortion described there would act against the curve visible in the image, it wouldn't enhance it.
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    The Earth's Curvature

    This is a photo that I took in Wales in March, on the Pembrokeshire coastal path.

    https://i.ibb.co/M5Djz1R/horizon01.jpg

    The camera (actually a Samsung phone) was only about 20 - 30 metres...
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    I'd forgotten that 1987 entry, ten years after Ca...

    I'd forgotten that 1987 entry, ten years after Ca Plane Pour Moi. I'd say it was Swedish.
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    True. But it's not a French punk song, and I...

    True. But it's not a French punk song, and I don't think Plastic ever appeared in a Eurovision Song Contest in any case.
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    This is my favourite Eurovision tune ever. The...

    This is my favourite Eurovision tune ever. The winner in 1975. Perfect pop.


    https://www.youtube.com/watch?v=BPxuq4uQ0OU
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    I remember that as a single, but I don't think it...

    I remember that as a single, but I don't think it was a Eurovision entry. Also, he's Belgian.
  11. It does have limitations, but for some...

    It does have limitations, but for some applications it's very convenient. Every medium of communication has a limitation of some sort. Telephoning someone has the limitation that they have to be...
  12. Not sure on this but I think that means it's made...

    Not sure on this but I think that means it's made it to their phone, not necessarily that they've seen it.
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    Some fantastic photos in this thread, thank-you....

    Some fantastic photos in this thread, thank-you. This one isn't in that category unfortunately, and the phone made it a lot more obvious than it was to the naked eye. Too much light pollution to the...
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    Some time in the late '90s, I bought a JLC in...

    Some time in the late '90s, I bought a JLC in Bond Street on a whim. Hadn't been thinking about buying a watch at all. I think it was £1400 (it's since been on Sales Corner at least once for...
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    https://i.ibb.co/vP9rL0w/addies240510.jpg

    https://i.ibb.co/vP9rL0w/addies240510.jpg
  16. Jerry Paper, Grey Area

    Jerry Paper, Grey Area
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    Nice sunny day, 68 miles on a bike wth me legs...

    Nice sunny day, 68 miles on a bike wth me legs out.
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    Dafter than a Ploprof.

    Dafter than a Ploprof.
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    https://i.ibb.co/YWSkqxt/240503-xii.jpg

    https://i.ibb.co/YWSkqxt/240503-xii.jpg
  20. Thread: Voyager 1

    by monogroover
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    As the theory goes - the Big Bang wasn't really...

    As the theory goes - the Big Bang wasn't really an explosion, but in any case the conditions prevailing at the very beginning of time, before even atoms existed were so different that it's not...
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    And US English spelling. No doubt at all these...

    And US English spelling. No doubt at all these reviews were written by an AI product.
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    Not everything, fortunately :)

    Not everything, fortunately :)
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    I often do these temporal mental calculations....

    I often do these temporal mental calculations. Here's one: the Band Aid single was recorded closer to the end of WW2 than the present day. EDIT: someone had beaten me to this, sorry.
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    I've got one. Brilliant value for money (about...

    I've got one. Brilliant value for money (about £100 in my case if I remember correctly).

    https://i.ibb.co/6vM80r5/enoksen220930.jpg
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    I agree with this, though I still find them...

    I agree with this, though I still find them useful for cycling.

    They basically work, but because of the way they work, you get a slightly incoherent view. However for a long bike ride where...
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