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nist.gov
BgOJb
TIL USS Arizona Memorial in Pearl Harbor has enough residual oil to continue seeping for hundreds of years, but the hull is forecasted to deteriorate or collapse in 150 years.
kJnr7
TIL a poorly designed wireless communications system contributed to deaths of 343 firefighters on 9/11. Back then, emergency services ran many different communication systems which couldn't talk to each other, hindering the evacuation of the firefighters and the overall emergency response.
oRKeE
TIL that those plastic wall clocks in schools are actually atomic, and the reason they speed ahead when they get messed up is due to a radio signal from NIST called WWVB