Programming

The Case of the Gummed-Up Glue Machine

THE MYSTERY A local box manufacturer called ACES in a panic because the machine which produced the starch that glued their corrugated cardboard had suddenly quit working, resulting in a sticky mess. The factory used glue to turn giant rolls of paper into corrugated…

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The Case of the Obsolete PLCs

THE MYSTERY A municipal water plant was stuck with an unresponsive system of 28 PLCs and an AWOL dealer. The case of the obsolete PLCs. Every vendor the client talked to insisted a whole new system was the only way to get the plant back up to speed again.THE CLUES The...

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