https://www.quantamagazine.org/the-octonion-math-that-could-...
Also see the work of John Baez:
html https://math.ucr.edu/home/baez/octonions/octonions.html
pdf https://math.ucr.edu/home/baez/octonions/octonions.pdf
https://www.quantamagazine.org/the-octonion-math-that-could-...
Also see the work of John Baez:
html https://math.ucr.edu/home/baez/octonions/octonions.html
pdf https://math.ucr.edu/home/baez/octonions/octonions.pdf