MeasurementBlues

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Senior Technical Editor

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MeasurementBlues

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  • 09.20.2016
  • Teardown: What killed this LED bulb?
  • Brian, I have many LED BR30's (Feit Electric from Costco) mounted in recessed fixtures in several rooms. After about a year of service, one of them started going out and cycling back on every few minutes, but only starting about 10 minutes after turn on. I suspected a heat problem so I removed the bulb and tried it in a lamp fixture. Sure enough, it's thermal problem. I removed the diffuser but so far, that's all.
  • 09.18.2016
  • Autotestcon: the happiest place on earth
  • I've been to the Disneyland hotel for conferences too. One time, I was covering Measurement Science Conference, an event for the calibration business. The military is very interested in calibration because they thousands of test assets to calibrate. Across the street at the convention center was the NAMM show, which is for the musical instrument business. Now here are a couple of coffee shop restaurants between the two locations (Coco's and Tiffy's I believe). So I'm at one of them and the tables seemed to alternate between those with military/engineers at one and musicians at the next. Interesting contrast. The followingyear, both shows were back in the same locations and again, on the same week. I stayed over an extra day and finagled my way into NAMM. There' I saw the likes of Carlos Santana, Bob Wier, Roger McGuinn (playing a 7-string acoustic). I got there in the morning when the show opened and had a chance to try some exotic guitars. Buy around 2:00, the metalheads has woken up and the exhibit hall got so loud that I couldn't hear myself play.
  • 09.19.2016
  • 10 interesting products from IEEE EMC 2016
  • Arturo, On page 1 at the bottom, you say: "I expect these kind of probes gain in importance in the coming years because the new regulations for EM exposure. Be prepared to use them, especially for big industrial or medical installations." What new regulations are coming?
  • 04.08.2016
  • Autonomous cars someday, autonomous transport now
  • "Driverless cars get real test: Boston" Yeah, good luck with that. I can't imagine how Boston drivers will interact with driverless cars. We are the world's greatest opportunists when it comes to driving. We play "chicken" better than anyone. Drivers will be convinced that they can take better advantage of driverless cars because driverless cars will be more predictable that cars with drivers. Driverless cars will be cut off constantly and may never actually reach their destination. http://www.bostonglobe.com/business/2016/09/14/boston-plans-test-self-driving-cars-soon/OOTLPokw8dlqtipyLpdKRM/story.html I'm glad I work at home.
  • 07.13.2016
  • Despite Tesla accidents, autonomous vehicles are closer than they appear
  • "Driverless cars get real test: Boston" Yeah, good luck with that. I can't imagine how Boston drivers will interact with driverless cars. We are the world's greatest opportunists when it comes to driving. We play "chicken" better than anyone. Drivers will be convinced that they can take better advantage of driverless cars because driverless cars will be more predictable that cars with drivers. Driverless cars will be cut off constantly and may never actually reach their destination. http://www.bostonglobe.com/business/2016/09/14/boston-plans-test-self-driving-cars-soon/OOTLPokw8dlqtipyLpdKRM/story.html I'm glad I work at home.
  • 08.30.2016
  • Engineering education: "What have you built?"
  • Dave, You may find that over here, engineers tend to be closer to the customer and they're designing systems to solve real-world products. That's harder to send overseas than designing ICs.