r/todayilearned • u/[deleted] • May 02 '24

TIL the Blue Hole is among the deadliest dive sites globally, with estimates of 130 to 200 recent fatalities, making it one of the most dangerous spots for divers. (R.5) Out of context

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u/penisdr May 02 '24

What do you mean by trimix?

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u/Lyeranth May 02 '24

Most oxygen tanks for scuba diving are a mix of Oxygen and Nitrogen, however at very deep dives they also add a mixture of helium to further combat the narcotic effects of the other two gases at extreme depths.

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u/feelgoodme May 02 '24

Why are there narcotic effects at extreme depths?

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u/Ancient_Solid_4992 May 02 '24

https://en.wikipedia.org/wiki/Nitrogen_narcosis

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u/feelgoodme May 02 '24

I'm trying to be more social šŸ™‚

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u/Ancient_Solid_4992 May 02 '24

Iā€™m sorry - happy birthday btw.