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
CommercialOk7324 t1_j6j34h5 wrote on January 30, 2023 at 6:16 PM If they’re aiming for odorless and colorless they should just use iocaine powder. It’s also tasteless—just in case you’re wanting to poison someone. Permalink 7
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