Submitted by chrisdh79 t3_yd3b4e in Futurology
bubba4114 t1_ittjquk wrote
Reply to comment by Jsimpson059 in Recycling plastic is practically impossible — and the problem is getting worse by chrisdh79
Just to clarify what the other guy said, not all sand can be made into glass. Desert sand is unusable because there isn’t enough silica in it.
Viewing a single comment thread. View all comments