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
gutterbrain73 t1_j6jq748 wrote on January 30, 2023 at 8:39 PM Also useful for detecting hydraulic leaks. Wave a broom ahead of you while looking for a suspected leak. A pinhole leak at a few thousand PSI will blow right through it, just like it would go right through you. Permalink 4
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