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Arg indeed 54 is the thirdThis is getting off-topic. It's my understanding that Fe-56 is the most abundant iron isotope. In living organisms (marine invertebrates and arthropods excepted) it's the oxygen carrier found in hemoglobin. It's also in myoglobin and is stored in liver cells.
Yes 54 is the third, about 56 it does vary in different regionsI could look it up, but this is almost certainly wrong. Fe56 is certainly the most abundant iron isotope. Fe58 should be the second most abundant of the iron isotopes. Fe56-59 are stable and there is a trace of Fe60 (million year half life) replenished from space dust.
Generally speaking nuclei are more bound if either the proton number or neutron number is even due to quantum mechanical pairing. Iron has 26 protons, so the even numbered isotopes of iron are more stable. The same principle leads to even-even isotopes being common in production. (This is the same reason iron is more common than cobalt or manganese
This is what I get for not looking it up. Stable isotopes of iron are 54, 56, 58 and 57 (Fe-59 has a 45 day half life, oops!) In abundance order Fe56 (91%) Fe54, Fe57, and finally Fe58.Yes 54 is the third, about 56 it does vary in different regions
So, for instance, a caterpillar cannot become a butterfly?Hello everyone,
I would like to share something about change. The "Y" is a variable for anything in general.
"If something different than Y is not Y. Then Y cannot become something different, because then something different is Y. Thus Y cannot change."
So, for instance, a caterpillar cannot become a butterfly?
I'm going to employ math to rephrase the first post.So, for instance, a caterpillar cannot become a butterfly?
Your OP generalized about all things. This one, otoh, is quite specific. So it's not really a rephrase..I'm going to employ math to rephrase the first post.
"1 is not equal to a different number, 1 cannot become equal to a different number, thus 1 cannot change."
I used it because it makes the meaning of the OP much clearer.Your OP generalized about all things. This one, otoh, is quite specific. So it's not really a rephrase..
In that case the meaning was clear from the start. But it was just wrong for certain cases. Some things, such as every single material thing, do change.I used it because it makes the meaning of the OP much clearer.
Some things, such as every single material thing, do change.
How would a block universe permit my conscious perception to change? Thats a physical process too.Wait a minute... how do you know this? I accept that you perceive that all material things change, but how do know that it's not simply your conscious perception of them that's changing? How do you discount the possibility that we're living in a block universe?
How would a block universe permit my conscious perception to change? Thats a physical process too.
I don't see how you can just dismiss consciousness as "hard" but expect me to tackle the implications of the block universe for time and the experience of time. Thats pretty hard too, you know.First off, just as things appear to change, maybe consciousness just appears to be a physical process. Then again, that involves what's known as the 'hard problem of consciousness', and I generally prefer to leave those kinds of questions to somebody else.
Are you suggesting changing a variable for something into a variable for something else? Like changing the speed of a car into the fuel level of a car? In that case, once the change occurred, it would no longer be Y. That in itself wouldn't prevent the change.Hello everyone,
I would like to share something about change. The "Y" is a variable for anything in general.
"If something different than Y is not Y. Then Y cannot become something different, because then something different is Y. Thus Y cannot change."
The Y in the OP is a variable that can be replaced by things such as a basketball, tennis ball, orange, apple, etc.Are you suggesting changing a variable for something into a variable for something else? Like changing the speed of a car into the fuel level of a car? In that case, once the change occurred, it would no longer be Y. That in itself wouldn't prevent the change.
Or are you suggesting just changing the value? If that's the case, then since it's a variable, changing the value doesn't change it from being Y. A variable is allowed to have different values. If it was a constant, then there would be a problem.
Then it can change without any problems, because those are all possible values of Y.The Y in the OP is a variable that can be replaced by things such as a basketball, tennis ball, orange, apple, etc.
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