[TowerTalk] Ultimate Ufer ?

[N3AE]

An article on conductive concrete....steel shavings and carbon added to the mix.
A long URL so you may have to cut and paste.

N3AE

http://www.rdmag.com/news/2016/01/conductive-concrete-could-keep-roads-safer-winter-weather?et_cid=5073955&et_rid=635810883&type=cta&et_cid=5073955&et_rid=635810883&linkid=http%3a%2f%2fwww.rdmag.com%2fnews%2f2016%2f01%2fconductive-concrete-could-keep-roads-safer-winter-weather%3fet_cid%3d5073955%26et_rid%3d%%subscriberid%%%26type%3dcta