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60 stories for“signalling”
Manufacturers compete on brightness because it is a single large number. Underwater, beam angle, burn time at full output and the switch you can operate in gloves decide whether a torch is any good.
Sep 5, 2026
A delayed surface marker buoy is what turns a diver in open water from invisible into findable. It is also the item most divers buy, clip on, and deploy for the first time in the situation where they actually need it.
Sep 5, 2026
Drift diving turns a dive from a route into a ride. The techniques that make it safe are mostly about the surface and the boat, and the mistake that kills people is trying to fin against water that is stronger than they are.
Sep 5, 2026
Two men and a woman surfaced from a dive at Canyon Reef, found no boat, and were carried kilometres out. Whether lost divers are found has surprisingly little to do with the search itself.
Aug 18, 2026
Most divers carry something sharp and have never once deployed it underwater. The gap between owning a cutting tool and being able to use one in the dark, with one hand, is where people die.
Aug 12, 2026
The same reef becomes a different site after dark, and so does the diving. Navigation, buddy contact and the way your brain handles a narrow beam all need rethinking before you get in.
Aug 8, 2026
Shallow water blackout does not warn its victim first. Here is the physiology behind it, why it strikes trained divers, and why solo breath hold diving is never safe.
Jun 10, 2024
