Precious metals like gold could soon be mined from the scraps of your old laptops and cell phones.
from Eve’s Feed http://www.stuff.co.nz/business/101230174/Tech-companies-partnering-up-to-mine-gold-from-old-electronics
from
https://evewilki1971.wordpress.com/2018/02/07/tech-companies-partnering-up-to-mine-gold-from-old-electronics/
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