9 votes Instant stone (just add water!) Posted November 18, 2019 by unknown user Tags: concrete, cement, engineering, construction, materials, author.jason crawford, source.rootsofprogress https://rootsofprogress.org/instant-stone-just-add-water Link information This data is scraped automatically and may be incorrect. Published Jan 6 2018 Word count 1274 words 1 comment Collapse replies Expand all Comments sorted by most votes newest first order posted relevance OK unknown user (OP) November 18, 2019 Link Shamelessly stolen from HN today. Shamelessly stolen from HN today. 2 votes
unknown user (OP) November 18, 2019 Link Shamelessly stolen from HN today. Shamelessly stolen from HN today. 2 votes
Shamelessly stolen from HN today.