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I dunno face12/25/2022 There are several aspects to a good dive computer: Instrumentation, logging and algorithms. #SCIENCE! Why I trust Apple with my diving If you really want to nerd out on bubbles in liquids, start at Boyle-Mariotte’s law, and go from there. In short: If you limit how long you breathe at pressure, and if you surface at a reasonable rate, diving is pretty safe. Image Credit: TechCrunch / Haje KampsĪ dive computer is designed to ensure that you don’t overload your blood and tissues with nitrogen, and that you surface slowly enough that bubbles don’t form. You can also see the gauge cluster tucked into my cummerbund, which includes the compass (visible), and on the other side, an air pressure gauge to see how much air is left in my scuba tank and a depth gauge to see how deep I am. Gear to pay attention to in this photo: I’m wearing my Suunto D9 watch (I’m wearing it with the watch face on the inside of my wrist, because it makes it easy to look at as I’m ascending). You’ll see that a lot if you’re following me around on dives. This is my “I haven’t the foggiest idea” pose. As you can imagine, that’s bad news when you’re underwater. The oxygen can be a problem - if you breathe pure oxygen at just 6 meters / 20 feet or so under the ocean, it becomes toxic, and you can have a seizure. In a nutshell: The air we breathe has around 78% nitrogen, 21% oxygen and 1% “other” in it. It can also happen when you travel in unpressurized aircraft, and it’s something astronauts worry about, as well. These days, it comes up most often in scuba diving, but it was originally discovered when workers were working in caves. You may have heard of decompression sickness, or “the bends.” It’s a nasty set of symptoms that can occur when you breathe compressed air at pressure. If you are scuba-certified, all of this is old news, so feel free to skip ahead. To understand why the scuba thing is such a big deal on the Apple Watch Ultra, and why I have no qualms trusting it, I’ll need to, just for a moment, nerd out about spending time underwater. I have no qualms about doing so, however, and I’ll tell you why. If you don’t feel comfortable with the Apple Watch Ultra to keep track of your dive safety, then there’s a really simple solution: Don’t use it. Scuba-diving veterans Suunto should be terrified of the Apple Watch Ultraįirst things first, I’m not here to convince people who don’t trust Apple otherwise scuba diving isn’t without risk, and you are responsible for your own safety.
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