Hacker News: "'Zen curtain' saves birds from hitting glass wind…" - Qoto Mastodon

Hacker News @HN@qoto.org

'Zen curtain' saves birds from hitting glass windows
https://news.ycombinator.com/item?id=21387254
#hackernews #tech

Oct 30, 2019, 00:12 · · HackerNewsBot · · ·

Sign in to participate in the conversation