Here are a bunch of links about the Fibonacci Series - the amount of information online is close to endless. Some of these are quite basic and some are more advanced.
Enjoy!
What are Fibonacci Numbers?
https://www.mathsisfun.com/numbers/fibonacci-sequence.html
How to Visualize This
https://math.temple.edu/~reich/Fib/fibo.html
How the Phi Ratio works in Nature
https://www.mathsisfun.com/numbers/nature-golden-ratio-fibonacci.html
Golden Ratio in Architecture
https://westburyjoinery.com/blog/golden-ratio-architecture/
https://illustrarch.com/articles/13472-golden-ratio-in-architecture.html
AMAZING INFO ON THE FIBONACCI SERIES
https://r-knott.surrey.ac.uk/Fibonacci/fibmaths.html
Mathematical Proof - Drawing a Pentagon using the Golden Rectangle
https://www.anirdesh.com/math/geometry/pentagon-construction.php
https://www.youtube.com/watch?v=lL9VN8ELH1M
WE HARDLY KNOW ANYTHING - References
The entire rainbow of radiation observable to the human eye only makes up a tiny portion of the electromagnetic spectrum – about 0.0035 percent. This range of wavelengths is known as visible light.
https://www.energy.gov/nnsa/articles/visible-light-eye-opening-research-nnsa
And we are 99.99% empty space - basically swirling energy balls that stick together.
https://www.sciencealert.com/99-9999999-of-your-body-is-empty-space
And 95% of the matter in the universe is currently unobservable.
https://www.cfa.harvard.edu/big-questions/what-universe-made