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  1. rumborak

    Medical Flight mode

    Yes, but we don't know whether he cares about *all* radiation, or just the antenna radiation. The point is, switching to flight vastly reduces radiation. But it doesn't completely eliminate it. For that you have to pull the battery.
  2. rumborak

    Medical Flight mode

    It's an electronic device. Unless you surround entirely with a metal box, it emits signals.
  3. rumborak

    Medical Flight mode

    We just established that it still radiates, even in flight mode. Just at significantly lower level.
  4. rumborak

    Medical Flight mode

    Keep also in mind, it's all a question of magnitude. Even in flight mode the phone still emits signals; it is an electrical device after all. Specifically, when you listen to music through headphones, you are squeezing your head between two coils that radiate into your brain. Great sounding...
  5. rumborak

    Medical Flight mode

    They have, to my knowledge, never been shown to be harmful. But yes, if you are concerned about them, flight mode gets rid of most of the "radiation".
  6. rumborak

    Medical A material light, cheap and strong as wood material

    The danger will be that a whole human will rest on it, plus additional weight. It's not something you want to have collapse under you.
  7. rumborak

    Sodium potassium barrier

    In contact with the skin, or not?
  8. rumborak

    Medical A material light, cheap and strong as wood material

    I think phinds nailed the problem: you can get better with one quality, but in turn some other quality will likely be worse. For example, a classic strong and light material is carbon fiber. But, it's not cheap.
  9. rumborak

    Sodium potassium barrier

    Hmm, I am by no means knowledgeable in matters of biology, but it seems to me you are somewhat confused about at least the terminology, if not the functionality. The blood-brain barrier has no direct relation to nerve signal transmission. Its function is to essentially be a screen for molecules...
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