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Cake day: June 18th, 2023

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  • Medical devices are required to comply with 21 CFR 820 in the United States, which establishes quality management standards. This includes minimum standards for the software development lifecycle, including software verification and validation testing.

    In the EU, broadly equivalent standards include ISO 13485 and IEC 62304.

    If an OEM wants to do a software update, they at minimum need to perform and document a change impact analysis, verification testing, and regression testing. Bigger changes can involve a new FDA submission process.

    If you go around hacking new software features into your medical device, you are almost certainly not doing all of that stuff. That doesn’t mean that your software changes are low quality–maybe, maybe not. But it would be completely unfair to hold your device to the standard that the FDA holds them to–that medical devices in the United States are safe and effective treatments for diseases.

    This may be okay if you want to hack your own CPAP (usually a class II device) and never sell it to someone else. But I think we all need to acknowledge that there are some serious risks here.





  • Another aspect to this is that Android is Linux, but it is not GNU / Linux. This is true both in the literal sense of not using GNU coreutils or glibc, and also in the broader sense.

    What I mean by the “broader” sense:

    • no X or Wayland
    • GTK or Qt support is something an application has to bring with them.
    • filesystem is substantially reorganized
    • users and system permissions setup substantially differently

    To the application programmer Android / Linux looks like a completely different ball game.









  • Fracking has granted the United States independence from OPEC, and turned the US into the largest exporter of oil. This, the US now has the pricing power on the world oil market. This has huge geopolitical implications.

    Back in the 2000s it was completely different. All of the geopolitical wonks were pushing renewable energy as a means of OPEC independence. And now that independence has been granted, but we still have the oil.

    Meanwhile, as others have stated on this thread, the immediate problems from fracking have been mostly fixed, including the earthquakes. Long term, I don’t think anyone knows what’s going to happen with all of that dirty wastewater going back into the ground.

    So on balance, there’s a good reason for the leadership in both parties to be on board with fracking: oil still rules the world, and fracking lets the United States rule the oil markets.