taion Karma 628 Created 11 years ago Recent Submissions 1. ▲ Why Did Supersonic Airliners Fail? (construction-physics.com) 4 points · 1 year ago · 1 comment 2. ▲ Mass timber is great, but it will not solve the housing shortage (construction-physics.com) 184 points · 1 year ago · 775 comments All submissions on HN · View profile on HN