Replies to post #113 on Trevali Mining Corp (TREVQ)

[drobx]

Here is a link to the same article (I assume) where you don't have to log in:
https://www.sciencemag.org/news/2021/05/batteries-used-hearing-aids-could-be-key-future-renewable-energy
It was posted on the Zinc8 (MGXRF) board, which you might want to check out if you are interested in the battery side.