This post was fascinating. So many places only show the final recipe and what worked, which is frustrating for those of us who actually want to learn rather than just do. As a scientist, it is refreshing to see the experimental approach used, as I find it so instructive to see what didn't work and what kind of worked - much more than what did work. You probably saved me hours of disappointing results. Thank you for sharing this, as I am sure it took a lot of time to put together.

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