TIL that the red lights on top of tall buildings in cities are called “aviation obstruction lighting,” and are used to help pilots of low-flying aircraft avoid collisions with otherwise hard-to-see structures. en.wikipedia.org Submitted by bearjew64 t3_123n88j on March 27, 2023 at 1:39 PM in todayilearned 33 comments 77
Gold-Difficulty6557 t1_je00phk wrote on March 28, 2023 at 1:12 PM Yet, people still seem to fly right into buildings; and strangely many high profile people at that. 🙄 Permalink 1
Viewing a single comment thread. View all comments