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  1. Reverse_Bias

    Champlain Towers NIST Update 4/11/25

    https://www.nist.gov/news-events/news/2025/04/champlain-towers-south-investigation-team-provides-update-structural I found this presentation to be the most in depth of anything that NIST has released so far...
  2. Reverse_Bias

    Tourist submersible visiting the Titanic is missing Part 2

    From this article, it appears that the weights could have been dropped to minimize the impact with the ocean floor, not because they were trying to return to the surface. https://abcnews.go.com/US/titan-submersible-implosion-coast-guard-hearing-last-messages/story?id=113729878 Also that pic...
  3. Reverse_Bias

    Acapulco now modern ruins

    India, Africa, The Middle East, and everywhere near the equator that doesn't have elevation, even Miami was pretty brutal for 4 months this year.
  4. Reverse_Bias

    Acapulco now modern ruins

    Fires, floods, hurricanes, and brutal heatwaves on every continent making populated places unlivable. It's becoming clear that the day when we can no longer hide in our air conditioned living rooms and pretend climate change isn't a big deal is fast approaching. Engineers are the ones who will...
  5. Reverse_Bias

    Acapulco now modern ruins

    This is one of the few instances of a city with lots of fancy high rise buildings taking a direct hit from a catagory 5 hurricane. Almost every inhabitable structure in and around Acapulco looks gutted. No doubt this is going to take years to get it back to its pre storm status. Hurricane Otis...
  6. Reverse_Bias

    Miami Beach, Champlain Towers South apartment building collapse, Part 19

    I was interested in this part. https://www.npr.org/2023/09/07/1198296548/surfside-florida-condo-collapse-champlain-towers-south-investigation-nist
  7. Reverse_Bias

    Tourist submersible visiting the Titanic is missing Part 2

    I am still wondering if they heard any sort of a boom at the surface ship. Maybe it was too faint to get their attention. Clearly the energy traveled to the surface if the navy was able to pick it up. Whether it made it out of the water into the air and still be audible is a different story.
  8. Reverse_Bias

    Tourist submersible visting the Titanic is missing

    Instead of using chatgpt to figure out what the last communication was why not crowd source it? You would have come up with something along the lines of "I swear to god if they installed that dang thruster in backwards again I'm gonna throw this XBox controller so hard, the navy will mistake...
  9. Reverse_Bias

    Tourist submersible visting the Titanic is missing

    There are 3 possible causes at the present time. Major corners were cut in the design, construction and or testing in all 3 of these places. 1. The CF hull (Leading theory currently) 2. The epoxy joint between the CF hull and the titanium end caps 3. The view port window. Also, since none...
  10. Reverse_Bias

    Tourist submersible visting the Titanic is missing

    You clearly see how removing the window would have made that heavy end cap easier to move with the crane. Also maybe they were concerned about the window getting damaged during shipping so they moved it to it's own padded crate. However, when I made my original post I thought that the bolts were...
  11. Reverse_Bias

    Tourist submersible visting the Titanic is missing

    My guess is the bolted flange probably separated from the end cap due to the strong moments applied to the bolts with a bolt driver during the recovery effort.
  12. Reverse_Bias

    Tourist submersible visting the Titanic is missing

    I Found a graphic with a list of lots of things that could have gone wrong with a composite material. I'm actually surprised the Titan held up as long as it did. Pick your favorite combination of flaws that could have led to disaster at that depth...
  13. Reverse_Bias

    Tourist submersible visting the Titanic is missing

    Do we even know which way the tube imploded? I've been picturing it the long way since there is more surface area along that axis. I guess it's possible it pancaked and the end caps collapsed together like symbols. Also, doesn't carbon fiber float?
  14. Reverse_Bias

    Tourist submersible visting the Titanic is missing

    Yes it is, not much you can do except pray when you're at 3400 meters and 2 hours from the surface. However for all we know the Hull monitoring worked and Stockton just ignored the alarm for 30 minutes before finally dropping the weights and heading into ascent. I'm not saying that happened but...
  15. Reverse_Bias

    Tourist submersible visting the Titanic is missing

    A lot of denial going on from various companies. There are still some things to be sorted out. https://techcrunch.com/2023/06/20/a-whistleblower-raised-safety-concerns-about-oceangates-submersible-in-2018-then-he-was-fired/
  16. Reverse_Bias

    Tourist submersible visting the Titanic is missing

    Not actually the vacuum itself, it's the outside vs inside pressure difference. The Carbon fibers in the shell don't have high elasticity, so they aren't going to recoil like a spring.
  17. Reverse_Bias

    Tourist submersible visting the Titanic is missing

    Those aren't drilled into the hull, there's some sort of an acrylic inner lining.
  18. Reverse_Bias

    Tourist submersible visting the Titanic is missing

    The James Cameron interview on Anderson Cooper explains a lot, everyone should probably watch the entire thing before posting. https://deadline.com/2023/06/james-cameron-titanic-sub-design-criticism-oceangate-fundamental-flaw-1235423518/ They lost Navigation and communication signals at the...
  19. Reverse_Bias

    Tourist submersible visting the Titanic is missing

    Having 5 layers material bonded together is good for some applications like bullet proof vests. It's a poor choice for something that has to hold liquid at extreme pressures. Once the water gets in between layers and starts distributing pressure to the inner layers it's going to undergo a...
  20. Reverse_Bias

    Tourist submersible visting the Titanic is missing

    All Stockton Rush's interviews sounded almost comically negligent. Bragging about cutting corners to save costs, breaking rules, and hiring young inexperienced yes people. Some more comments about how safety isn't always practical. That attitude alone is worthy of a whistleblower no matter...

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