Yeah, most of the devices using 9V are smoke/CO detectors which only accept alkalines. I don't use the few remaining 9V devices enough to justify buying a new charger.
There's a research that winter sunlight in northern latitudes just does not convert precursors to vitamin D. Even when it's shining, no matter how long you are outside.
Since AC is pulsating you need to store some energy to get continuous DC, usually in a smoothing capacitor. And that capacitor is relatively big and when durable, then not cheap. And it requires some further complications (like avoid inrush current).
Nice. But when I asked it for simple initramfs busybox init script (the usual tools are pure indecipherable bloat) it hallucinated practically on every line. And obviously setting up a VM for it to debug the boot process would be a hassle.
Why my software needs are all like that? Sigh. At least ffmpeg command lines it gets right most of the time.
There's absent technical leadership. Bureaucrats and managers and politicians can't do this. This would need someone of the Linus Torvalds or Fabrice Bellard caliber. Or Daniel Stenberg (curl). KDE Foundation has plenty of expertise too.
There's also absent Open Source culture. While 20 years ago a lot of Universities had ftp sites with local developed software, this has mostly dissapeared.
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