I was sure carbon nanotubes matched your description, however the relevant Wikipedia article[1] mentions the electric properties without refering explicitly to

I was sure carbon nanotubes matched your description, however the relevant Wikipedia article[1] mentions the electric properties without refering explicitly to resistance. [1] https://en.wikipedia.org/wiki/Carbon_nanotube#Electrical_properties https://en.wikipedia.org/wiki/Carbon_nanotube#Electrical_pro...