It's not one of those pieces that leaves tiny fibers all over everything! (bylaurenm.com)
A variety of zinc - metal batteries are available commercially, but few are rechargeable, because of tiny fibers called dendrites that form on the zinc electrode during charging. (sciencedaily.com)
It might be possible, the researchers say, to eventually excite the internal emitters using tiny fiber optic lines, or perhaps electric current. (sciencedaily.com)