Klaynos

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Klaynos last won the day on July 14

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About Klaynos

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    PhD Physics
  • Favorite Area of Science
    Quantum Physics
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  1. Fantasy beasts and where to find them.

    In the last few years we've quietly disproved most of these things. Almost everyone in the western world and many people in the world in general now all carry acceptable quality cameras with them all the time. Yet good photos just hasn't appeared.
  2. Time Does Not Exist

    - The Guide Mark II.
  3. E=mc2

    It is a simplification of E^2=p^2c^2 +m^2c^4 Which is derived in special relativity. Also, E=mc must be wrong as it fails dimensional analysis.
  4. Aperture and Field of View

    I see we've actually gotten somewhere. If dalo would answer this question his misunderstanding would probably become apt clearer to us. Well done.
  5. Aperture and Field of View

    Dalo, what don't you understand about the quoted post and image?
  6. Aperture and Field of View

    Are you suggesting that the filter completely removed the lasers so they are not dominating the response of the sensor and then you are illuminating the scene with some other light (e.g. room lights) and can image the front of the laser sources? If so you are mixing your situations and need to review the first few posts of this thread and where it has been explained to you again and again how non laser sources are radiating in all directions so there are rays (in ray optics) hitting all parts of the lens. There are some nice diagrams above showing this.
  7. Aperture and Field of View

    This seems key to the missing understanding. Light from every point you are imaging is radiating in every direction, so in ray optics you can drawn a ray hitting any part of the lens.
  8. Aperture and Field of View

    No, we can apply the well understood and incredibly well tested theory's of electromagnetic propagation that we have. This isn't just guesswork or assumption. Scientist don't just run experiments because they seem like a good idea or some guy on the internet has a pile of misconceptions.
  9. Aperture and Field of View

    If this wasn't the case the diameter of the lens used (both in bench optics and in photography) would matter to the field of view. It doesn't. I am struggling to see how this is such a long thread! The general problem was solved for both a simple case and with a little extrapolation to some camera optics in the first few posts.
  10. Wavelength Measurement

    Two pages and a few hours of my sleep later and this (well the op statement that resulted in this response) is still the misconception that I think is fueling the confusion here. Dalo, a sin wave is a representation of a single continuous wave, not a series of waves. Take water, again, each crest (colloquially each wave) is not technically a single wave, bit just one peak on a series of peaks in a single wave.
  11. Wavelength Measurement

    Water waves are used as people are familiar with them. That causes issues as the language people use about them is very loose. What is one water wave? What we see hitting a beach is complicated. A wave comprising a single amplitude peak in the time domain is not a single wavelength wave. Look at a single frequency continuous sound wave, that's a simpler case to start with. To add, each crest isn't a new wave.
  12. Wavelength Measurement

    The wavelength is the distance between two peaks of the same wave. Not two different waves. This is confused by water waves which are complex, and confused by language where every peak is often called an individual wave.
  13. Optics

    Good diagram. Demonstrates exactly why drawing a ray diagram as the first step would have helped op.
  14. Optics

    We don't answer questions directly here, but give help. Let me ask you two questions... How have you tried to answer this so far? Have you drawn a ray diagram of the situation?
  15. Pages never seem to finish loading for me at the moment.