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Diving at extreme depths is insane. So is diving into extremely narrow, maze-like caves. In 2014 a Finnish five diver group got in trouble in a Norwegian cave when one diver got stuck at a tight spot at the middle point of the dive and drowned. One diver had passed that point already when the second diver got stuck. The third diver, coming later, was the first to find the dead body. He navigated through the narrow spot and the body by removing equipment. The fourth diver panicked and was met by the last diver, who didn't know that one diver had already drowned. He was unable to calm the fourth diver before he had drowned himself in panic. Only after this he found the first dead and decided to turn back. The guy who turned back figured all the others had perished. The two guys who got through thought that the three who didn't follow through, all drowned. The surprise was bittersweet when the three met at the camp. This is a multimedia representation of the event with videos: https://www.vg.no/spesial/2014/dodsdykket/ This is a more straight forward version: https://www.vg.no/spesial/2014/dodsdykket/mobil_eng.php
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Nov 24, 2020 23:04
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https://i.imgur.com/H4dCn0W.mp4 This video is rated R. It contains: some nsfw language, Australians.
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Nov 24, 2020 23:08
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Nenonen posted:Diving at extreme depths is insane. It was either in here or in the Everest thread when it also served as cave diving horrors in the climbing off season. Someone posted a thing that was a bunch of stories of tragedies from the 70s or around then. One was a group of people that swam through an opening into a big underwater cave without a safety line. Then someone kicked up a bunch of dirt and none of them could find the exit.
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Nov 24, 2020 23:13
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Scratch Monkey posted:Speaking of, I heard about the Ycuá Bolaños supermarket fire recently on an episode of Behind the Bastards and it was super not fun! seen dudes with tattoos like this
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Nov 24, 2020 23:18
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haveblue posted:But what if one of the crossbeams goes out askew on treddle? 
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Nov 24, 2020 23:19
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Nenonen posted:Diving at extreme depths is insane. Stuck in a tight spot is terrifying. I've done a lot of recreation with technical rope stuff and I did a single technical cave and have noped out of it forever. It was really amazing, because it was in a great state of preservation and very remote, but it is definitely not for me.
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Nov 24, 2020 23:31
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Cave Diving: not even once.
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Nov 24, 2020 23:35
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Yes, it's like a lava lamp.
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Log082 posted:Anyone have good recommendations for good OSHA books, preferably those that do a deep dive and analysis of a single industrial accident or wreck? I prefer the type that puts it in a historical context rather than just technical descriptions of what went wrong. Comm Check is a good book about the loss of the Space Shuttle Columbia and the failure of NASA’s safety culture.
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Nov 24, 2020 23:44
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Sagebrush posted:i was getting all mad at how wasteful they were being and then i was like 
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Nov 24, 2020 23:46
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^^^ Same, but drat, there's got to be a better way PittTheElder posted:Cave Diving: not even once. Cave diving: you only do it once
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Nov 25, 2020 00:40
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There's absolutely a better way; it is called multi-die stamping. But that's not the cheapest way
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Nov 25, 2020 00:43
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https://va.media.tumblr.com/tumblr_qkbmg9RX9n1r0uzl6.mp4 I'm pretty sure thats the driver at the end there walking away, having finally been thrown out of the car
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Nov 25, 2020 01:12
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this thread has the coolest book recs. thanks, everybody
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Nov 25, 2020 01:53
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Kith posted:i demand we change the subject Dancer in the Dark remake looking rough
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Nov 25, 2020 01:55
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ekuNNN posted:https://va.media.tumblr.com/tumblr_qkbmg9RX9n1r0uzl6.mp4 Cool video for ants, btw.
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Nov 25, 2020 02:00
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I still can't believe they got all those kids out of that cave and only two people died. I hope they are all still doing well.
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Nov 25, 2020 02:06
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Sagebrush posted:There's absolutely a better way; it is called multi-die stamping. Yeah, I'm amazed* that it's cheaper to pay someone to maybe lose their hands than to do it properly.  * Maybe not the best word for this
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Nov 25, 2020 02:10
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Come to think of it, some of Edward Tufte's books on graphical presentation of data have case studies on how poor slide construction contributed to the Challenger and Columbia disasters. The books aren't OSHA-related overall (they're about how to make good graphs and the importance of proper graphical design), but he's got some fantastic dissections of exactly how poorly presented and communicated data cause accidents, and how properly displayed data can help with problem-solving. Very good reads.
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Nov 25, 2020 02:14
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Karia posted:Come to think of it, some of Edward Tufte's books on graphical presentation of data have case studies on how poor slide construction contributed to the Challenger and Columbia disasters. The books aren't OSHA-related overall (they're about how to make good graphs and the importance of proper graphical design), but he's got some fantastic dissections of exactly how poorly presented and communicated data cause accidents, and how properly displayed data can help with problem-solving. Very good reads. I keep meaning to get one of his books, he seems to be very sharp on data presentation and analysis
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Nov 25, 2020 02:20
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HelloIAmYourHeart posted:I still can't believe they got all those kids out of that cave and only two people died. I hope they are all still doing well. Several of the children returned to the cave, muttering something about how the 'hole' is 'made for them' and it's 'their hole'.
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Nov 25, 2020 02:22
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Pigsfeet on Rye posted:I keep meaning to get one of his books, he seems to be very sharp on data presentation and analysis Yeah, they're fantastic. I like Visual Display of Quantitative Information the most since it's the most relevant for me, but I've got all of them and they're all great. The books are kinda pricey, though. He's got a short pamphlet where he talks about why Powerpoint sucks that's got an utterly fantastic cover, and it covers a lot of his main points for like $10, so that could be a decent intro if you're on the fence. 
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Nov 25, 2020 02:27
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Karia posted:Come to think of it, some of Edward Tufte's books on graphical presentation of data have case studies on how poor slide construction contributed to the Challenger and Columbia disasters. The books aren't OSHA-related overall (they're about how to make good graphs and the importance of proper graphical design), but he's got some fantastic dissections of exactly how poorly presented and communicated data cause accidents, and how properly displayed data can help with problem-solving. Very good reads. Tufte is absolutely required reading for anyone interested in how to present information visually but he himself misrepresents some things about the Challenger: http://people.rit.edu/wlrgsh/FINRobison.pdf Karia posted:Yeah, they're fantastic. I like Visual Display of Quantitative Information the most since it's the most relevant for me, but I've got all of them and they're all great. Ditto. He used to travel around doing a one-day course which I highly recommend; I got work to pay for it and in the context of working training it's cheap enough that it's basically free. Like, a few hundred bucks, and you get all the books as well. COVID probably shut that down, though. Phanatic fucked around with this message at 03:04 on Nov 25, 2020 |
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Nov 25, 2020 02:30
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Scratch Monkey posted:Speaking of, I heard about the Ycuá Bolaños supermarket fire recently on an episode of Behind the Bastards and it was super not fun! I had to shut that podcast off as I knew where it was going somewhat and didn't want it to bum me out the rest of the day with details 
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Nov 25, 2020 02:48
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does this count as an attractive nuisance? https://i.imgur.com/2oPkSwL.mp4 sound very much required Sagebrush fucked around with this message at 02:59 on Nov 25, 2020 |
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Nov 25, 2020 02:48
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https://i.imgur.com/IPtmcUm.gifv I know he's tied off but drat.
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Nov 25, 2020 03:12
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https://i.imgur.com/1lxqhXF.mp4
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Nov 25, 2020 03:35
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Loading and unloading the motor like this seems like a really good way to get it to show you its hand grenade impression.
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Nov 25, 2020 03:53
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Scratch Monkey posted:Speaking of, I heard about the Ycuá Bolaños supermarket fire recently on an episode of Behind the Bastards and it was super not fun! That is some dangerous poo poo. Paint sprayers will penetrate skin.
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Nov 25, 2020 04:47
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Here's a wildly  Reddit post from someone who got 3rd and 4th degree burns on her thumb from a homemade wood burning setup. It's fascinating but VERY graphic (like, her bone is visible). There are some pretty cool pictures of the reconstruction and her other burns in the comments.SFW news article HelloIAmYourHeart fucked around with this message at 04:54 on Nov 25, 2020 |
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Nov 25, 2020 04:50
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DelphiAegis posted:https://i.imgur.com/IPtmcUm.gifv I guess he's never seen the video of the guy hopping across platforms when his carabiner pops loose on the last one.
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Nov 25, 2020 04:53
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Ok so I looked at the picture (crispy) and read "woodburning setup" and was like what the gently caress, a woodburning iron did that? Like an oversized soldering iron, basically? And in the comments she says that she was electrocuted and died and was resuscitated at the hospital?? But it turns out by "woodburning setup" they mean the thing where you drive two nails into a board soaked in salt water and hook it up to a microwave oven transformer and it burns a fractal pattern into the wood so uh yeah that's not some poo poo you just play around with. That's like fuckin 2000 volts and half an amp, a full kilowatt of electrical energy with enough voltage to jump through your skin and enough current to instantly stop your heart. Stuuuuuu pid Sagebrush fucked around with this message at 04:58 on Nov 25, 2020 |
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Nov 25, 2020 04:55
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Pretty sure big clive did a video on the safe way to do it. It's the usual industrial safety mechanism - make it so your hands have to be doing something to energise the stuff, so it's never powered on while you're anywhere near it. Kid should never have been crawling around the gear while it was powered on.
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Nov 25, 2020 05:08
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HelloIAmYourHeart posted:Here's a wildly The recovery pics of the thumb-fleshbag are somehow as gruesome as the injury pics, yeesh
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Nov 25, 2020 05:18
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Duzzy Funlop posted:The recovery pics of the thumb-fleshbag are somehow as gruesome as the injury pics, yeesh I absolutely cannot figure out what was grafted there
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Nov 25, 2020 05:47
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Phanatic posted:Tufte is absolutely required reading for anyone interested in how to present information visually but he himself misrepresents some things about the Challenger: Huh, good to know! Thanks for the info.
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Nov 25, 2020 07:20
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Slanderer posted:I absolutely cannot figure out what was grafted there According to the comments, it’s skin from near her groin, and the surgeon grafted a large amount because he knew some of it wouldn’t take. The pictures showed a pretty dramatic reduction in size over time.
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Nov 25, 2020 07:29
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Memento posted:Loading and unloading the motor like this seems like a really good way to get it to show you its hand grenade impression. Can you explain why to me? I've got a case of the dumb.
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Nov 25, 2020 07:35
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sigher posted:Can you explain why to me? I've got a case of the dumb. If you've got a motor at full throttle, and it's working really hard to propel a boat through the water, then the boat launches out of the water and all of a sudden your engine is at full throttle with zero load on it, it's possible for it to rev much faster than designed and overstress the internals to the point where something lets go. The force on a conrod is a function of the square of the RPM, so if you're cracking along with the motor at 4,000 rpm and then you remove all load and it goes to, say, 8,000rpm, the forces inside briefly quadruple. Here's a good example: https://www.youtube.com/watch?v=yLLG2_ErvJs&t=27s Plane engine loses its propeller, and goes from 3,000rpm to a 8,000rpm briefly. After this, its insides become outsides. Video starts just before the explosion and then at around 3:30 you can see them taking it apart to see what happened. edit: the pilot brings it down fine, I should make that clear. Memento fucked around with this message at 07:45 on Nov 25, 2020 |
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Nov 25, 2020 07:42
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sigher posted:Can you explain why to me? I've got a case of the dumb. When the boat is in the water, the prop is pushing a bunch of water, which is hard. The engine is dumping a bunch of gas in to make it go fast when it's in the water. Moments later, the boat is pulled out of the water, prop no longer has any resistance. Engine is still dumping a bunch of gas as before, everything speeds up. Then, boat slams back into water, prop suddenly encounters the resistance again and has to slow down. Repeatedly overspeeding/shock loading the engine. e: f,b. HarmB fucked around with this message at 07:45 on Nov 25, 2020 |
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Nov 25, 2020 07:43
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God drat, so would the same thing apply to say a car if you were going full bore and just happened to lift it off the ground so the tires aren't touching the ground anymore? I guess if you drove the thing off a cliff would be the only case for this, but just asking.
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Nov 25, 2020 07:53
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