TIL In the 60s/60s NASA would use brooms to detect flames from Hydrogen leaks as they were odorless & colorless. nasa.gov Submitted by Wandering_Lights t3_10p76i5 on January 30, 2023 at 4:33 PM in todayilearned 58 comments 419
AKchaos49 t1_j6l9oi5 wrote on January 31, 2023 at 3:01 AM What did they do in the 70s/70s, 80s/80s, and 90s/90s? Permalink 3
Viewing a single comment thread. View all comments