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We're Not Innovating, We’re Just Forgetting Slower
(www.elektormagazine.com)
This is a most excellent place for technology news and articles.
In a world where electronics were really expensive and did not go out of date so quickly, maybe people actually would have tools and spare parts lying around for the power electronics. But a) that's not the world we live in, and b) usually the software is not user serviceable, at least with reasonable effort, and the microelectronics never is