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  1. Phylogenetic analysis demonstrates that the evolutionary origin of SARS COV 2 significantly predates the existence of the Wuhan lab. Your simple point is at odds with the data, and repetition of conjecture which ignores said data remains uncompelling.
    1 point
  2. You are making a mistake regarding probability. If there is a one in 1000 probability of you stubbing your toe on any given day, then doing so on the first Sunday of the year when there is a full moon does not make that probability lower. It is still 1 in 1000. So if there is a certain probability of the virus being zoonotic in origin, based on previous experiences of zoonotic viruses of this type, that is not reduced by the virus being found at a place where there is a virus lab.
    1 point
  3. I don’t see where you’ve calculated any probabilities. How do you conclude that this is astronomically unlikely? Just how small is such a probability? Isn’t a zoonotic origin more likely in a large population center where there are wet markets? How many of them are there?
    1 point
  4. The concept of Riemann curvature as it is used in ordinary GR applies in any dimension equal to or greater than 2. That means that yes, you can have “curved” 2D and 3D spacetimes as well. The big difference is the level of complexity - in 2D, the Riemann tensor has exactly one independent component, so it is simply a scalar; in 3D, it has 6 components, and can be shown to equal the tank-2 Ricci tensor. Hence these situation have a lot fewer degrees of freedom than we see in our 4D world. Geometrically speaking, in 2D you have only scalar curvature, so the only thing that can happen is that the area of a 2D surface differs as compared to the same situation in a flat spacetime. It is very simple. In 3D, you get a new kind of curvature which is Ricci curvature, which means that volumes may differ as compared to the same situation in flat spacetime. In 4D and above then you have, in addition to scalar and Ricci curvature, also Weyl curvature, which introduces (relative) tidal forces and shear between neighbouring geodesics, meaning it (roughly speaking) distorts shapes as compared to the flat spacetime situation. So yes, it is in fact possible and meaningful to talk about GR in three dimensions. However, since such as theory contains only scalar and Ricci curvature, but no Weyl curvature, the resulting phenomenology is very different from what we actually see in the real world - at a minimum there would be no gravitational radiation, no gravity at all in vacuum, and gravity in the interior of bodies would behave quite differently.
    1 point
  5. Metal sucks in this weather. Tool use is painful Merry Christmas, StringJunky and all other readers
    1 point
  6. I'd expect this to progressively dim parts of the image on the retina. But why would they move? (If they in fact do.)
    1 point
  7. The second statement is more nearly correct but it is far from complete as there are other eqyally important considerations. Western people tend to wear more tightly fitting clothes than other cultures from hot countries. Both the men who wear white and the women who wear black in arab countries wear long very loose garments that have a layer of air between the clothing an most of the body. This layer is very important in keeping things cool.
    1 point
  8. Because it didn't make sense. BS1363 was introduced in 1947. It predates any EU standard. The UK BS1363 plug is wired with brown, blue and green/ yellow wires. The BRown wire goes to the Bottom Right pin. The BLue wire goes to the Bottom Left pin. Remarkably few people seem to understand this. There was a very old standard BS546 where the wires were black and red, but there's no good reason to revert to that . It went at about the same time as round-pin plugs. There was a relatively recent change of standard for wiring the socket that goes with that plug. Previously the house wiring was done with red, black and bare T&E cable. This was changed to match the colours used in the flex from the cable to the equipment. This was done deliberately; it was brought in at the same time as a requirement that any new installations needed to be verified by a competent electrician. Before that change, the "householder" could do their own work on the system. If you think about it you will see how they needed to change the wiring somehow in order to distinguish old wiring (which doesn't need a certificate) from new wiring (which does). The "old colours" cable is still available on eBay etc- it's not clear why...
    1 point
  9. You mean like calling them a "moron"? Your posting style is non-standard around here. Even the trolls are more polite.
    -1 points
  10. Wow. Talk about 'throwing stones' when you live in a 'glass house'.
    -1 points
  11. You “allowed?” Why thank you for being so benevolent, your highness
    -1 points
  12. Now you’re hijacking yet another thread. Pathetic.
    -1 points
  13. -1 points
  14. There is an instantaneous acceleration treatment by applying the four acceleration equations. A specific equation that describes this is \[\alpha=\gamma^3 a\frac{1}{(1-u^2/c^2}\frac{du}{dT}\] where \[\alpha\] is the proper acceleration for objects with mass The large T is specifying coordinate time to be more obvious. u here is the instantaneous velocity. you can further simply that equation by applying motion on the Minkoskii hyperbolic curve the above equation leads to which simplifies to \[g^4/c^2\] \[x'^2-ct^2=x^2\]. the equation above works for both forms of acceleration via change in velocity or direction. This equation has been used in Born rigidity examination as well. An interesting consequence of relativity is the observer effects. Place an observer at a static location your classic rest frame. The train has length so he's going to observe different parts of the train at different angles. Even if we only consider the observer along the x axis on top of the train he will observe a different length front to rear. The approximate point of simultaneity of signals received from the front and rear would be the center of the train. The only way to preserve that simultaneity from any two equidistance points either in the x+ or x- direction the length contraction must occur in a symmetric fashion from that observer point of view. In a linear acceleration case that isn't too hard if you allow some mechanism that the entirety of the bus gains speed. however once the train starts to turn your going to lose simultaneity from that same location. At least I don't know of any solution where you won't. treating simultaneity in terms of signals received by an Observer
    -1 points
  15. My argument is not that zoonotic origin of a virus is unlikely, my argument is that the location of the supposedly zoonotic origin coinciding with one of vanishingly small number of places on the Earth where there's also a lab that makes precisely such modifications artificially is an astronomically unlikely coincidence. I've restated my position and corrected misapprehension of it so many times now. I don't understand why I have to reexplain it so many times, it's such a simple point. This is amazing. You don't think that a virus gaining ability to infect humans naturally at one of 3 places in the world where there's also a lab that does that artificially, rather than ANYWHERE ELSE on Earth, is an unlikely coincidence? This is not a rhetorical question, I'd like to hear your answer. 🤦‍♂️ That was a way of expressing how improbable the coincidence is, OBVIOUSLY. The improbability of the coincidence is the evidence, obviously. What kind of evidence was looked for and not found which was the basis of the dismissal of the theory? What was the evidence that, if found, would have proved the theory or gone to its favor? If they had been sequencing it from wildlife, how is the origin a lab leak, rather than wildlife where they sequenced the virus from to begin with? Because it was wildlife from unpopulated areas?
    -1 points
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