Interersting. 50uW may not seem much, but if it charges something constantly, it can add up to usable power.
I keep being amazed by the things you think about that never even cross my mind…
Well then, out of curiosity, here’s a loaded question: assume the technology is there (visible light or IR) and dark people aren’t good candidates for implantation - or even that the technology isn’t available to them at all: would you elect not to sell to it anybody as a result?