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24 stories for“safe system approach”
CO2 tables build genuine breath hold tolerance over weeks. Hyperventilating beforehand does the opposite of what beginners think it does, and it has killed trained divers.
Sep 2, 2025
Oxygen keeps divers alive, until pressure turns it toxic. Here is why central nervous system oxygen toxicity shapes every gas decision in technical diving.
Sep 10, 2024
After six divers died in a Vaavu Atoll cave, the Maldives is drafting new rules to permit and regulate technical diving in the country for the first time in its history.
May 28, 2026
A rebreather trades noisy bubbles for silent, efficient diving, but it also trades forgiveness for discipline. Here is what changes underwater.
Apr 15, 2025
A dive computer tracks pressure and time with precision, but the model behind it cannot see the diver wearing it. Here is what that gap actually means.
Mar 19, 2026
