lejeanvaljean Karma 40 Created 12 years ago About Developer @ bluesky Recent Submissions 1. ▲ Nanomaterial cools surfaces by up to 12.9C without electricity (euronews.com) 13 points · 2 months ago · 2 comments 2. ▲ Ask HN: Why no dark mode? 8 points · 9 months ago · 12 comments All submissions on HN · View profile on HN