Air Versus Mixed Gas Below 50 Metres, Explained
Below 50 metres, ordinary air becomes a liability for divers. Here is the physics behind nitrogen narcosis, rising gas density, and why trimix exists as the technical diving standard.
Jun 8, 2026

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60 stories for“deep fried”
Below 50 metres, ordinary air becomes a liability for divers. Here is the physics behind nitrogen narcosis, rising gas density, and why trimix exists as the technical diving standard.
Jun 8, 2026

Deep water a short swim from shore, no boat, no current and warm all year. Dahab's geography explains its status, and the same geography is why the Blue Hole has the reputation it has.
Aug 9, 2026

Sami Paakkarinen, Jenni Westerlund and Patrik Grönqvist received Italian state honours for a recovery mission defined by preparation, restraint and humanity.
Jul 25, 2026

Compact geography, shore access, wrecks and a new six-person hyperbaric unit make Gozo an unusually practical Mediterranean base for a mixed-experience dive trip.
Jul 25, 2026

Lionfish, stonefish, stingrays and most jellyfish deliver venoms that heat breaks down. The standard measure is immersion in fresh water as hot as you can stand without burning, capped at 45 degrees, for thirty to ninety minutes.
Sep 2, 2026
