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Liveaboards (and their lack of common sense safety procedures) are a problem, but a study that uses inadequate data at best (I would not call it fraudulent until I actually find the study) can't be taken seriously.

That's the point, SOLAS (passenger) vessels report everything as the company would take a major fine if it was proven that they are hiding anything. I know of at least 2 serious liveaboard incidents in Croatia just last year that thankfully ended with minor injuries and you will not find any...

To be fair in commercial operations the victims are usually fit, or at least medically cleared crew members and the accidents are reported even if it's "just" a broken bone. On a liveaboard the reporting is much more lax, having 20 reported falls down the stairs due to intoxicated customers...

Your body has nothing to do with the stiffness of the vacuumed suit, the air in the suit is the thing getting compressed and the resulting vacuum is the force keeping the suit stiff. There's a lot of variables, the amount of air you started of with, the cut of the suit, the material it's made...

If it restricts your movement enough that you can't add air or swim back up it does not have to kill you by constriction. A panicked diver goes trough the gas much quicker than someone would expect. And even if you can breathe it will create a lot of resistance that will prevent you from...

Did you go over some mountain passes on your drive home?

Of course it's not a 1600 lumen light. But I do love my xstar lights for spearfishing, excellent beam width and good penetration, I have a 6 year old d6 that's still working great.

How is this hard to fathom? There is no pressure differential, the dry suit is squeezing you because the volume on the inside is reducing to equalize the pressure with the outside as you descend. Once that volume gets small enough it starts to constrict you, leaving bruises and in extreme cases...

Do you guys go to vacation abroad just to get angry at stuff that would not bother you if you were at home?

THere are 5 dive centers on Vis. Depending on the port you are staying in, Vis or Komiža you have a lot of choices of dive centre and most of the them can arrange some sort of transfer for you. You are better off using google and contacting them directly to arrange more, but considering most...

The site tries to place a login with google button when you click on something. Watch out.

What are the dimensions of the posts you plan to put in? What's the bottom like?

On my last trip to Norway i was not sure if I would have any checked lugage so I left my pocket knife at home. A ziptie I used as a pull tab got stuck in a buckle and I had to use a rock to open my backpack in the first 12 hours of not carrying a small pocket knife. It's nice to have a tool...

If you don't have any oxygen entering the loop 10-15 minutes is just about the right time for a diver to go hypoxic in shallow water. When you notice the tunel vision and general fuzzines it's a matter of seconds before you lose conciousness. We don't know if the o2 tank was empty from the...

Whopse. Wanted to respond to this but deleted it. I had a few students like that and they all had trouble closing of their nose. What helped some of them was training the frenzel fattah method, https://www.freediving.life/wp-content/uploads/2017/08/39188787-frenzel-fattah-english-r2006.pdf...

Hypoxemia and hypoxia are not the same thing. By the time you get hypoxemic due to breathing inert gas you are already passed out.

Your brain thinks it can, and will hapilly let you do it untill you pass out.

O2 has nothing to do with the need to breathe. Co2 is the triger.

I can't even service mine from Croatia. My battery lasts 3 hours in dive mode, maybe 2 days as a watch.

Athletes often have higher SAC, simply because they are trained to breath deeply and frequently, especially runners.. However athletes that dive a lot have much lover SAC because they have higher tolerance of Co2, so they breathe less.