foobar_yc00 Karma 3 Created 9 years ago Recent Submissions 1. ▲ Any one noticed the meaning of Lumi in Lumi labs? 2 points · 6 years ago · 0 comments 2. ▲ Grading multiple choice exams with a webcam (eyegrade.org) 1 point · 6 years ago · 1 comment All submissions on HN · View profile on HN