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Iowa State University's Bridge Engineering Center student Justin Dahlberg get out in the filed to install sensors on US Highway 65/Oak Street bridge (via Iowa State University)   Since the sudden collapse of the I-35W Mississippi River Bridge in Minneapolis a few years ago, bridge infrastructure has attracted more attention from builders and lawmakers. Now, for the first time, a team of Iowa State Researchers along with  a private contractor, Cramer & Associates Inc., are applying ...
  Military mechanics are part of the unsung heroes of our (US) armed forces. Ask anyone who either served or is currently serving over-seas (or at home for that matter) and they’ll tell you ‘Murphy’ is usually in full effect and any and all vehicles will eventually break down. 'Murphy,' or Murphy's Laws are a military joke that ulitmately means "anything that can go wrong, will." (See Murphy's Laws) Weather its aircraft, ships or vehicles; without these mechanics you simpl ...
Anyone working in a manufacturing plant knows the horrible feeling when the person responsible for equipment calibration comes around looking at calibration stickers.  More than once I've found myself trying to plead for an extra week, saying “I swear I'll bring it by before it expires, just let me finish this one thing!”  And God help you if the unit has to be sent outside of the company for calibration – that takes forever!  It's easy to ask why on earth calibr ...
Equipment designed for an industrial environment must recover from ESD events and be immune to magnetic coupling from motors and wires carrying current transients.    In ESD testing, every connector port and accessible surface is shocked with an ESD gun.  The ESD gun is configured for 15kV air gap and brought close enough to discharge to the product.  All locations are hit again with an 8kV contact discharge.  Both tests are repeated with negative polarity.   ...
Hi all,   I was going through my normal websites checking for updates and found this link to online technical books. They are listing old documents that are no longer covered by copyright laws and they have some very good old classics on the evolution of radio and electronics. So if you have some holes in your Technical Library give them a look.   http://www.tubebooks.org/technical_books_online.htm   Thanks DAB ...

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