leetbulb Karma 875 Created 10 years ago Recent Submissions 1. ▲ A Second's Past (nist.gov) 1 point · 11 months ago · 0 comments 2. ▲ Time Line for the Definition of the Meter (2009) (web.archive.org) 2 points · 1 year ago · 0 comments All submissions on HN · View profile on HN