penneyd Karma 889 Created 6 years ago Recent Submissions 1. ▲ Chinese satellite achieves 5x Starlink speed with 2-watt laser from 36km orbit (ibtimes.co.uk) 5 points · 7 months ago · 2 comments 2. ▲ Mysterious symbols in cave paintings may be earliest form of writing (livescience.com) 1 point · 3 years ago · 0 comments All submissions on HN · View profile on HN