me now if this is clear enough and if it is making sense. (i can't make the last sentence much clearer because of my own lack of understanding.) again it shows that miles' use of the same letter pi is confusing.
*it is not a very good analogy but if you would try to weigh a gas in a similar way you use to measure a solid or liquid you would get a wrong result. even if your scale is very precise and you find a way to prevent the gas from floating away. because you also have to take into account that the gas is now taking the space of 