"Disappear" derail is making me miss the "plane crash death vs Alzheimer's death" derail.
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Originally Posted by Alobar
right, but how long did it take from the time you first started breathing helium until the time you passed out? It couldnt have been 5-10 seconds
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It took me about 30 seconds to pass out. But I didn't spend that 30 seconds trying to find some oxygen to breath--I felt fine. When you hold your breath for 30 seconds, you become incredibly uncomfortable and you fight for air; when you're breathing a gas that has been stripped of oxygen (like the helium in a balloon or the air at cruising altitude), you don't feel that discomfort, you don't know that there's anything wrong.
I felt fine for 29 seconds, got a little woozy suddenly, and before I could say "WTF?", I was out.
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also, why would you die before the plane returns to a breathable altitude? You should only be at un-breathable altitude for like less than a minute.
Just ask Payne Stewart: the plane doesn't begin a sudden descent as soon as you pass out. If the auto-pilot is engaged, it's just going to keep on cruising through the oxygen-stripped air, possibly for hours. You're not going to survive it.