“Duke University researchers have developed a prototype device that uses sound waves to separate tiny particles called exosomes from blood samples. Cells produce exosomes to communicate with one another and could play a large role in future diagnostics and therapeutics.”
2021 ESTC https://www.youtube.com/watch?v=gEKtI79F6Hs
Excellent info from wide variety of sources, ideas. Makes case for pyramids as power...