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Nolan’s Notes: Clarity of Vision
December 5, 2019 | Nolan Johnson, PCB007Estimated reading time: 1 minute

I was eight years old; it was early in the school year, and I was attending a new school. My family had just moved across town—just a couple miles, but enough to change my world. I was still learning the names of my classmates and mapping out the school in my head. One day in my physical education class, Mr. Denley, the PE teacher, administered eye exams to the class. One after the other, kids toed the line, covered an eye with one hand, and mimicked the rotated “Es” on the eye chart with the fingers of their other hand. Then, it was my turn.
Oddly enough, those “Es” weren’t very readable from the “line of truth.” I knew I couldn’t make out the chart from the back of the huddle of kids, but I had expected things would be clearer once I had a proper view. The unpleasant surprise grew into a minor grade school panic. I was mortified. Why couldn’t I read the eye chart? Every kid in my class watched me struggle with incorrect guesses and saw me fail.
I said nothing to my parents; I just tried to forget that it ever happened. They never said anything, so I thought I had gotten away with it. However, a few days later, Mom pulled me out of school early. We drove to the local university and met some really cool college students who, I learned, were studying to be optometrists. They had me look through some weird machines and try on ugly glasses that they built up for me by putting a bunch of lenses together in a clamp. Those glasses weighed a ton! Next, Mom took me to a different room, and we played with the eyeglass frames that were displayed on the wall. Then, we went home.
To read this entire column, which appeared in the November 2019 issue of PCB007 Magazine, click here.
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The Right Approach: Electro-Tek—A Williams Family Legacy, Part 1
10/15/2025 | Steve Williams -- Column: The Right ApproachThere is no bronze bust in the lobby or portrait in the conference room of Electro-Tek's founder—my Dad, Charles “Chuck” Williams—so with the facility closing last year after 56 years, I feel it is time to tell the story. Chuck Williams founded Electro-Tek in 1968 in our basement, eventually moving into the second floor of an old 1913 building in downtown Milwaukee that is still standing (the first of three eventual facilities).
ICT Symposium Review: Sustainability and the Circular Economy
10/09/2025 | Pete Starkey, I-Connect007It was pleasant autumnal weather as we made our way once again to Meriden, the nominal centre of England, for the 2025 Annual Symposium of the Institute of Circuit Technology. Delegates were welcomed by technical director Emma Hudson who introduced and moderated a skilfully coordinated programme, focused on the highly relevant theme of sustainability.
Hardware Engineers, Manufacturing Leaders Ready to ‘Build Better’ Electronics
10/06/2025 | Marcy LaRont, I-Connect007According to Instrumental’s dynamic CEO, Anna-Katrina Shedletsky, the Build Better Electronics Manufacturing Summit on Sept. 30 was a passion project meant to provide a forum for hardware engineering senior leadership, who have very busy jobs and limited opportunities, to share information, thought leadership, and networking opportunities. “Build Better is really about cross-pollination and sharing,” she said, as she highlighted the importance of supporting this type of sharing in tech, which may be more important than ever before.
I-Connect007 Editor’s Choice: Five Must-Reads for the Week
10/03/2025 | Andy Shaughnessy, I-Connect007It’s been a busy week. We’ve been covering PCB West, and we’ll be bringing you a variety of news and interviews from the show in the next few weeks. We’ll also be attending SMTA International later this month, and productronica as trade show season rolls on. This week, we have a number of interesting columns and news items. We start with a positive story about North American PCB sales, which were heading in the right direction in August. Don Ball writes about the ins and out of working with overseas partners, and there’s a great column by Dan Beaulieu on avoiding the temptation to offer discounts when your customer gets squirrely.
Understanding Signal Integrity, the Foundation of High-Speed Digital Design
09/25/2025 | Stephen V. Chavez, Siemens EDASignal integrity has become a critical factor in ensuring reliable performance in high-speed digital systems. As data rates continue to increase, engineers must understand the fundamental principles that govern how signals propagate through transmission lines and how to mitigate common issues that can degrade signal quality.