jeffbradberry Karma 24 Created 16 years ago Recent Submissions 1. ▲ Backyard Worlds: Planet 9 – Zooniverse (zooniverse.org) 1 point · 9 years ago · 0 comments 2. ▲ Dynamic State Machines (harkablog.com) 4 points · 13 years ago · 0 comments All submissions on HN · View profile on HN