Hacker Newsnew | past | comments | ask | show | jobs | submit login

jwuphysics on Feb 18, 2015 | parent | context | favorite | on: The problem of fake gold bars (2012) http://www.wolframalpha.com/input/?i=%28volume+of+1+kg+of+tu...

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact Search: