ninenines Karma 49 Created 14 years ago Recent Submissions 1. ▲ Ask HN: Usable energy why only electrons 1 point · 5 years ago · 0 comments 2. ▲ Elon Musk at TED: The mind behind Tesla, SpaceX, SolarCity ... (ted.com) 5 points · 12 years ago · 0 comments All submissions on HN · View profile on HN