Oxygen Toxicity: The CNS Risk Behind Technical Gas Choices
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

Search
22 stories for“technical diving depth limits”
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

Egypt's most famous sinkhole is also its most argued-over dive site. What the Blue Hole actually is, and why so much depends on who is diving it.
May 20, 2024

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

Technical diving begins the moment a diver can no longer go straight to the surface. Here is how training builds toward that shift, one course at a time.
Dec 5, 2025

Technical diving instructor Adam Jacoub died on 18 July 2026 following a dive in Hurghada, Egypt. The circumstances remain under investigation.
Jul 20, 2026

A sunken ship draws every diver's curiosity, but the line between a safe swim-through and a genuine penetration dive is stricter than it looks.
Jun 25, 2025

Nitrogen narcosis dulls judgment before a diver notices anything is wrong. Here is why depth impairs decision making, and why self-diagnosis often fails.
May 22, 2024

In the late 1980s, teaching recreational divers to breathe enriched air was close to heresy. IANTD taught it anyway, then built the trimix and rebreather syllabi much of technical diving still runs on.
Aug 12, 2026

NOAA teams outplanted corals at 66 meters during a 2026 Gulf mission. The work shows how advanced diving and laboratory science can restore difficult deep habitats.
Aug 2, 2026

Finnish cave specialists, Maldivian coast guard divers and DAN Europe medics carried out a coordinated recovery after the Vaavu Atoll cave tragedy.
May 22, 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

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

Shearwater, Garmin and Suunto now sell wrist computers that look broadly alike and cost between 760 and 1,800 dollars. What separates them is the decompression model, the transmitter, and what you are really paying for.
Aug 18, 2026

Five Italian divers and a Maldivian rescuer died in May. A manslaughter file is open in Rome, a liveaboard lost its permit, and the Maldives is writing technical diving law. A follow-up assessment.
Aug 12, 2026

A French submarine at 36 metres, a 1939 freighter at 40, and a Victorian battleship far beyond recreational limits. Lebanon's coast is a wreck list before it is a reef.
Aug 6, 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

Older than PADI, structured as a non-profit membership association, and built on a principle almost nobody else uses: the instructor may exceed the standards, and is expected to.
Aug 12, 2026

DAN's annual diving reports track how divers die each year, and the leading cause is rarely the dramatic equipment failure popular imagination assumes it to be.
Jun 19, 2026

The world's largest training agency is also the most argued about. Setting the snobbery aside, here is what a PADI course actually mandates, where the flexibility sits, and what the card does not cover.
Aug 12, 2026

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

Scuba has real hazards, but recreational diving within training and conditions is a managed-risk activity, not the extreme gamble suggested by rare accident headlines.
Jul 25, 2026

When a diver surfaces with decompression sickness, a hyperbaric chamber is the only real fix. Here is how recompression works, and where chambers actually are.
Nov 18, 2024
