When I first saw them (it must have been more than a year ago) there was an online shop, but I can't find it anymore. I also remember a discussion here in HN ab

When I first saw them (it must have been more than a year ago) there was an online shop, but I can't find it anymore. I also remember a discussion here in HN about the safety of the material (which is basically glass, but with a new configuration). I wonder what happened in the meantime. EDIT: found it: http://news.ycombinator.com/item?id=1092741 http://news.ycombinator.com/item?id=1092741