I want to understand it but everything I read about it oscillates impossibly between vulgar metals -> gold and some kind of spiritual transformation metaphysical stuff
What is it and what can be legit gleaned from it in an empirical or useful sense?
Does it have utility outside of use as a metaphor or allegory or whatever?
We inhale air, which is composed of nitrogen, oxygen, and small amounts of other gasses such as carbon dioxide, hydrogen and neon. Carbon dioxide is not an element, but a compound. Elements are things composed of only one type of atom, wheras compounds, such as carbon dioxide, are composed of more than one type of atom, specifically two oxygen atoms and one carbon atom.
We inhale oxygen and carbon dioxide from the air, it’s just that when we exhale the ratios are different. When we exhale we also breathe out oxygen as well since not all of it gets absorbed. In order to change an element from one to another, you need to do nuclear reactions. Our bodies can change one compound to another but that’s a whole different story (and much less fun than nuclear reactions). I hope this helped! 😃
Removed by mod
The elements aren’t being converted into other elements (for example, converting lead atoms into gold atoms). The only conversions taking place are chemical reactions, where compounds are either forming or being broken down.
Removed by mod
Bananas emit positrons because they contain potassium-40, which releases positrons as it undergoes radioactive decay. These positrons are quickly annihilated as they hit electrons, their normal matter counterpart. Potassium-40 is a naturally occurring isotope present in the Earth but it has a very long half life of around a billion years. Around 0.01% of all potassum is potassium-40 and technically, any food which contains potassium will also contain a little bit of potassium-40, it’s just that banana trees are known at being efficient at absorbing and storing potassium.
Removed by mod
Yup, there has to be a potassium atom for the positron to be emitted by.
Removed by mod