Very interesting. I think that in the next decade or so, with the aid of AI, we will know the formula. It took decades to figure out Roman concrete that not only doesn’t deteriorate, but it self-repairs. Our ancestors were a lot smarter than we credit them with being.
One quibble: near the end of the article it said, “From the 7th century until the Fall of Constantinople on May 29, 1453, this Byzantine weapon was significant in protecting the Greek empire.” The Empire wasn’t Greek, even if Greek was its primary language - it was Roman.
What about serpentine fire? Songs were written about it.
The article is from a Greek news source. It's all Greek to them.