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Sherlock Ohms

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Have you applied your deductive reasoning and technical prowess to troubleshoot and solve an engineering mystery that even the fictional Sherlock would find most perplexing? Tell us about it in 600 words and we'll pay you $100 if we publish your case.
E-mail Karen Field at: kfield@reedbusiness.com

Email: kfield@reedbusiness.com

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  • Recent Posts - 40
  • Avg Posts Per Week - 1
  • Posts Written - 40

Sherlock Ohms

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The Case of the Errant Electrons

What caused a crane operator to become a high-voltage conductor By Myron J. Boyajian, Contributing Editor A chilly and wet fall day saw a crew of workers unloading roofing shingles at a luxury home on a wooded job site by using a truck-mounted, articulated-boom (knuckle-boom) crane. The crane was mounted on a large flatbed truck between the cab and the flat cargo deck that held the bundles... More

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The Incident of the Light Bulb Going Off (or In?)

After being fed specifications in a piecemeal fashion, an engineer figures out how to meet a test spec by thinking inside the box By Radcliffe Cutshaw, Contributing Writer The project was to design a device to segment the upstream band used by cable modems. Cable modems are collision moderated: When two or more modems try to send at the same time, a collision is detected and both wait a... More

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The Instance of the Ruined Radar Relays

You know you’re in trouble when you start thinking that shooting the designer of a troublesome system is a serious solution By Ken Herrick, Contributing Writer I dredge up this investigative instance from 50 and more years ago. But even in today’s solid-state age I think it pertinent still. I was a field engineer assigned to the U. S. Navy overseas and there had been a... More

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The Adventure of the Cranky Gas Chromatograph

Engineers working on an early multiplexing computer system are flummoxed by spurious results By Richard Rowe, Contributing Writer I was senior chemist for Amoco Chemicals at Texas City in 1969. My primary responsibility was developing analytical procedures, technician training, and troubleshooting for a Styrene Unit startup while bringing an existing unit up to current specifications. One... More

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The Adventure of the Malfunctioning Modem

An engineer discovers that it’s not always a bug in the software or hardware that is causing all the trouble. And that troubleshooting can be a really grungy job. By Dennis Coburn, Contributing Writer Back when modems were gray plastic boxes that worked at the screaming rate of 300 baud, I was involved in the design and installation of an environmental monitoring system for the US... More
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