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  1. There are a number of genetic causes of intersex individuals, some of which render the physical attributes of the individual to be discordant with their underlying genetics (e.g. AIS resulting in XY individuals with undescended testes and a vagina, or CAH resulting in XX individuals with masculine traits). I imagine that these conditions - typically with frequencies of one in thens of thousands might contribute to discrepancies in the designation of biological sex at birth.
    3 points
  2. It would seem to be that however small the risk might be it is not insignificant since the BBC recently highlighted cases of misdiagnosis and I find on looking for them that there is an american standard on the subject. https://pubmed.ncbi.nlm.nih.gov/25944182/
    2 points
  3. That’s exactly the arrangement we used. The larger picture is you need space on your vacuum chamber for windows, and need ports to look in and to get atoms into (and possibly out of) the chamber. More windows means a larger chamber, which might be a luxury (you might have space constraints, and it costs more money)
    1 point
  4. Thank you for that knowledgable amplification.
    1 point
  5. I see that you have satisfied your original request and also received some excellent advice. So I will just add a couple of extras. Firstly as you see you can always come back here and receive good quality help at any level. So if you have any specific questions, don't hesisitate to ask. Another friendly and helpful site is https://mathforums.com/ Although like all maths sites they suffer more than SF from spam. As too your subject matter: You have asked about signed numbers - a subject that many have trouble with. To fully get the most out o
    1 point
  6. He's taller than me too. I wish me biggest problem was that I was only 6 ft tall!
    1 point
  7. Condolences @MigL Hi Time Traveller, hope you are well. I think several people have already mentioned what time is assumed to be for most models in Science. Time is another co-ordinate we need (in addition to the usual spatial co-ordinates) to specify where events happen in spacetime. Any other property or nature of time is usualy less important than you would think, or else the model you are working with will tend to specify what time needs to be and what properties it is assumed to have. You (we) only need to have a passing knowledge of relativity to realise that
    1 point
  8. My condolences also on the passing of your mate. In recent times, I had to get my 13.5 year old Rottweiler put down...great age, but still a hard distressing decision to make. Back on track, I pinched these wise words [or words to that effect] from yourself in another "Time [again] " thread....Whether time is real or not, it is more a philosophical question and physicists are not that concerned, other then the need to use the concept in our models etc. I certainly accept it is real though for the reasons given.
    1 point
  9. My condolences also for the passing of your friend. I can't help but notice that positioning an event (such as a tearful goodbye appointment at a vet's office) in spacetime seems independent of change. Your latitude, longitude, altitude, and the time it took place aren't subject to change, are they? Yet it makes perfect sense to use time in this way.
    1 point
  10. My condolences, @MigL. I know how hard it is to say goodbye to a friend.
    1 point
  11. Major General Richard William Howard Vyse (25 July 1784 – 8 June 1853) a British soldier and Egyptologist, was a very ambitious and very privileged individual, and his Gunpowder Archaeology was questionable, as was any verification of the claim by Vyse. More likely any opposition was summarily dismissed. It is uncertain that Khufu, from the fourth dynasty 2700 BC, built the Great Pyramid as has become more of a tradition than a fact. The cartouche that purports to be Khufu's is similar at best. It has also been discovered from Vyse's notes that this cartouche was transcribed, with accidental c
    -1 points
  12. What's the closest number to zero that you can think of? It's that
    -1 points
  13. But you specified biological sex, so essentially zero is the right answer.
    -1 points
  14. Now you disagree, not with me, but with Newton and Einstein to the nth degree. They did not read only the prescribed textbooks of Mammon's handmaidens. Would you really hurl this sh*t in their faces? I trow not. Go to the masters, not the maggots. You have a soul (psyche) and Psychology was the first Science to begin the systematic rape of Science, moulding everything particular instead of energetic. The Beast that was dead rises and all who “buy and sell” must worship. This precipitated WWI in short order. This is recent history, but Genesis 1-5 takes you back in symbols to what you call The
    -2 points
  15. There is absolutely no record of the building of the Great Pyramid and its Sphinx, only a stone recording repairs to the latter ordered of a Pharaoh by God. "The Egyptian Heritage" based on The Edgar Cayce Readings by Egyptologist Mark Lehner compiles the saga of its construction. From the preface: "There are 1,159 Edgar Cayce readings which contain references and information on the Ra Ta period in Egypt. The story presented here has been culled from approximately 300 of these readings. This number includes all those readings which deal extensively with the subject." Mark points to the
    -3 points
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