Joshua Judson Rosen (rozzin)'s status on Friday, 02-Aug-2013 09:10:13 EDT
-
Joshua Judson Rosen (rozzin)'s status on Friday, 02-Aug-2013 09:10:13 EDT
Joshua Judson Rosen
Why is Corning's hardness-rating for Gorilla Glass in *Vickers* rather than *Mohs*? https://en.wikipedia.org/wiki/Gorilla_glass