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A chance meeting at a family wedding the other week led to a conversation about numbers, an introduction to a book entitled Humble Pi, and how numeric misinterpretation can lead to all kinds of unexpected outcomes, some just costly, others tragic. It’s a good and amusing read, and as a result of this conversation with someone I had previously never met, I feel somewhat (at least temporarily) enlightened. One of the takeaways of the book is that humans are born to think logarithmically, and linear math has to be formally educated into our brains. That got me curious for more.

Every chip to the market must pass a stringent checkpoint before shipment known as ATE testing. Serving as the physical “neural hub” that connects test equipment worth millions of dollars with the device under test, the performance of the ATE test board directly determines the accuracy, efficiency, and final yield of chip testing. Amid the rapid rise of high-compute chips, what extreme challenges is this seemingly small circuit board facing? How is EDADOC addressing industry pain points through its one-stop “design + manufacturing” model?




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Elementary, Mr. Watson DFX—Basically a Basket of Crabs With Spreadsheets

April 22, 2026 | John Watson, Elementary, Mr. Watson

One of the joys of living in San Diego is that I'm never far from the ocean. Aside from burying my toes in the sand at the beach, I particularly enjoy going down where the fishing boats come in. I once watched a fisherman standing...

PCBs seem to be getting more complex by the day, so it is important for designers to keep educating themselves about the realities of manufacturing increasingly intricate boards. Last month’s column highlighted design considerations...

Target Condition: An Exploration of Flooding PCB Layers

April 2, 2026 | Kelly Dack, Target Condition

The concept of flooding PCB layers with copper has been around for so long, you’d think we’d have it mastered. We haven’t. (Oh, and by “we,” I mean design engineers and the software tools we depend on.) Years ago, PCB...

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