351–360 of 457 posts
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> I created an OpenAI account solely so I could ask was it worth it? no. Feel free to ask OpenAi whatever happens to amuse you. Please don't waste the rest of our time or attention or bandwidth on it. Nobody cares.
I also appreciated the post, however, I did not appreciate yours.
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> I created an OpenAI account solely so I could ask was it worth it? no. Feel free to ask OpenAi whatever happens to amuse you. Please don't waste the rest of our time or attention or bandwidth on it. Nobody cares.
I care, because I think OpenAI is still endlessly fascinating.
So 12 minutes of oxygen, i just learn that
apparently Ocean Infinity, the private salvage search company mentioned in the article that spent millions on a "no find no fee" search for MH370 is committing to doing it again this or next year: https://www.reddit.com/r/MH370/comments/t85bdv/ocean_infinit... how exactly do these guys fund themselves? this must be a horrendously expensive enterprise and fairly infrequent at that.
They have other customers. Even if they don't find it, this is great advertising for them, and gives them a reason to test their technology. And if they do find it, even better advertising. I wouldn't be surprised if their negotiated finders fee from Malaysia is still below cost.
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The methodology of using aircraft scatter of radio signals encoded in the WSPR protocol is described in [1]. I was so sceptical when I heard about this - mainly due to the normally mangled reporting in mainstream media - that I really didn't think there was any merit in it. The thought of being able to detect aircraft scatter using very low power HF signals over variable ionospheric propagation conditions at long ran…
I took a look at this a few months ago, and when I left off, I was unsure exactly how they conducted the validation of the technique. In particular, there was a test on June 3 2021 where they attempted to reconstruct the path of a flight from Samoa to Australia[1]. Certain phrases in the report leave me wondering whether the test simply amounted to looking for anomalies in the WSPRnet data in close spatiotemoral prox…
I agree with your analysis that some pre-knowledge of the track is apparent here and therefore more fully blinded independent experiments would be needed to add credibility.
Given the number of airline flights at any one time and the near constant WSPR radio traffic I would have thought there is enough raw data out there to conduct further research. There may a PhD in this for someone :-)
I do worry, as implied in your emphasis, that the temporal resolution is very low. Given that the transmit time of all symbols is approx 110.6 seconds [1] plus the time for a WSPRnet station to decode a message will translate into spatial errors of various magnitudes proportional to the speed of the target aircraft, but perhaps this has been factored in.
I do remain intrigued enough to try and learn more about the robustness of the techniques.
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I don't think you can open the door on a 777 in flight. For comparison the plane that D B Cooper used had a stairway in the back(sometimes called airstairs). He was able to override the in flight lock and get out that way. My understanding is that the db cooper incident is in a large part why they don't put airstairs on planes any more. But now you have me watching videos on 777 doors. they open outward than forwards…
>incident is in a large part why they don't put airstairs on planes any more. They don't do it because it's completely inefficient to carry this weight and waste this space from economic point of view. It's way better to carry few more paying passengers instead. They still carry things like this on private jets, i.e. Golfstream.
Fascinating article. I had a chuckle at this excerpt: >The Malaysian investigators did look into whether the cargo could have started a fire, noting that it consisted mainly of ripe mangosteen fruits along with a small number of lithium batteries. Extensive attempts by the investigators to get mangosteen juice to react with the batteries and trigger a fire were unsuccessful. I'm sure plenty of people here have spent…
Strikes me as a desperate attempt to save face and explain away the most plausible explanation - that one of their pilots committed an atrocity.
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> but they could fly into a mountain too if they felt like it Don't know if you said that with this crash in mind or not, but: https://en.wikipedia.org/wiki/Germanwings_Flight_9525
Yes. Fundamentally, if the pilot of an airliner wants to crash, they will be able to crash. With very rare exceptions: https://en.wikipedia.org/wiki/Cornfield_Bomber
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Given that the very flight in question had Inmarsat equipment on board, I think it's fair to be at least somewhat surprised by the lack of periodic location updates. But technology in aviation moves (generally for very good reasons!) at a different pace than in many other industries, and in this case it unfortunately meant having an operational satellite communications system on board (used for engine performance dat…
I will say it seems utterly bonkers, given the cost of airliners, that we're talking about transmission costs on the order of minutes and not doing per-second updates. Admittedly a lot of this was before our new era of satellite constellations, but surely the future should now be "per second updates and streaming audio/video via satellite"?
Also there's a whole lot of air traffic.
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I didn't say it was a bad idea with no legitimate purpose, just that it's pretty creepy. Given that it's only been used to commit mass murder ~once (at most), it's probably not worth implementing any mitigating controls.
If the pilots want to kill you, all they have to do is fly into the ground, and there's absolutely nothing you can do to stop them and nothing short of complete automation could ever remove that risk. I can't think of scenarios where the pilots would particularly want to survive after murdering all their passengers.
Must have been quite distressing.