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Cake day: July 2nd, 2023

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  • With a neural network, you wouldn't be able to mathematically prove that the signal is perfectly recovered 100% of the time for all possible inputs. That is the case with PNG and FLAC. If you're just listening to music and need a good compression ratio, then sure, it won't be a big deal if a couple of bits are wrong. But that's also why we have lossy compression. If the goal is to make signal degradation imperceptible to a human, then you could get a much better compression ratio using neural networks. If it's truly critical that the signal isn't corrupted, it would probably be better to just use the original method.



  • The original thread was started by Neil deGrasse Tyson saying that Maverick would be “splattered” during ejection at mach 10. Scott Kelly responds saying he went on a space walk from the ISS at mach 25. The gardener is technically right that mach numbers don’t really apply in a near vacuum. It’s also kind of off topic because we know the Darkstar is in the atmosphere and not in space, and therefore there is no “re-entry”. But Scott is right that the real issue would be heat and not getting splattered.

    I also want to point out that we don’t actually see Maverick eject, and it’s likely that he would have been ejected in a capsule (like in several real aircraft like the B-58) rather than just thrown out of the plane in his pressure suit as Scott suggests.


  • It’s strange, but the 3 day poop challenge meme that swept through lemmy the other day reminded me of what Reddit used to be. It felt like an actual community where people were actually interacting, and sometimes bizarre posts turned into legends. I hadn’t noticed the slow transition to just endless bot reposts. With all the spez drama, i decided Reddit was dead to me, and that was sad to acknowledge the sudden end of an era like that. But lemmy showed me that the things that made me love Reddit have been gone for a long time, and I feel more at home here.