PID controllers are all around us. Their straightforward, closed loop cycle of set-point, observation, and response are the basis for almost every control system in our everyday world, but the the Wikipedia article obscures their simple beauty and ubiquity. » about 700 words
Automated failure analysis is hard, manual failure analysis requires great expertise.
» about 300 words(It’s old, but I just stumbled into it again…) Karen Calhoun’s report, The Changing Nature of the Catalog and its Integration with Other Discovery Tools, included a lot of things I agree with, but it also touched something I’m a bit skeptical about: automated metadata production. Some interviewees noted that today’s catalogs are put together […] » about 300 words