Recent content by cosmik debris

  1. cosmik debris

    COVID >47% false positive rate on COVID-19 test?

    Don't forget that you have to factor in the prevalence of the disease in the population, if known, otherwise you get a very pessimistic answer. Cheers
  2. cosmik debris

    Why Isn't Horsepower an SI Unit, Despite Its Popularity?

    ...and shoe sizes in Barleycorns. :-)
  3. cosmik debris

    Today I Learned

    You've been watching Sabine haven't you? Cheers
  4. cosmik debris

    Celebrate Pi Day with Funny Pi Jokes!

    We don't have PI day as there is no 14th month.
  5. cosmik debris

    COVID COVID-19 Coronavirus Containment Efforts

    Yes, you can't trust scientists...hang on a minute :-) Cheers
  6. cosmik debris

    The Mathematics of the Gods and the Algorithms of Men

    Is the fact that he is American, (do you mean a US citizen?), meant to be reassuring or the exact opposite? Cheers
  7. cosmik debris

    What is the newest installment of 'Random Thoughts' on Physics Forums?

    Incarnation time :-) Do you come back as someone else? Cheers
  8. cosmik debris

    Today I Learned

    Those two songs are the ones we were taught to use in our First Aid training. Cheers
  9. cosmik debris

    Boeing Starliner launches to space (but not ISS) (reached ISS in 2022)

    Yes, I don't think I would want to fly in anything Boeing has a hand in. Cheers
  10. cosmik debris

    Recovering data from a chip (MicroSD)

    Yes, that's true, but you don't know that yet. Cheers
  11. cosmik debris

    Recovering data from a chip (MicroSD)

    There is a product called Ghost but I am sure there are others. Also there are hardware devices which will clone a drive. They are fairly cheap. Cheers
  12. cosmik debris

    Recovering data from a chip (MicroSD)

    I suppose the first thing I would try is to make a copy using something like Ghost or dd in Linux. Since these are straight bit copies it probably won't help but it is what I would try first. Cheers
  13. cosmik debris

    I Holography used in telecommunications

    You need a phase reference. In an optical system you use two different paths for the light, the light reflected from an object and another beam coherent with the first but taking a different path to the recording medium thus acting as a phase reference.
  14. cosmik debris

    Australia's drought and bushfires, a personal view

    Last night was a warm North Westerly wind in Christchurch NZ, you couldn't see the sunset for the smoke haze which made the whole sky a pinkish/brown. You could even smell the smoke in the air. Best wishes to all you people in Oz. Cheers
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