Board Thread:News and Announcements/@comment-4842859-20130725043727/@comment-5625000-20130928022339

Theweirdkid22 wrote: ...LOL! I'm not sure about one cell thick, but my science teacher told me. xD And a cell is the smallest form of life :D  It has a bunch of other stuff in it, which I forgot. But the point is obsidian is really cool :D Obsidian is very good in surgical tools, since it cuts cleaner, and is easily disposable, making it better than steel ones.