Clearly a story that has grabbed some people's imaginations, but not others. No comments (so far) on any of these:
https://news.ycombinator.com/item?id=7627892
https://news.ycombinator.com/item?id=7626865
https://news.ycombinator.com/item?id=7624404
https://news.ycombinator.com/item?id=7622657
Found when searching for duplications, this is different, but does have some discussion:
A Solution For Graphene Production
(acs.org)
-- https://news.ycombinator.com/item?id=7614559