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Barcodes 101
Unlocking the Secret of Barcodes: More Than Just Stripes.
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Encoding 101
When you type a message, upload a photo, or visit a website, that content needs to be understood by a computer. The challenge is, as we found out in the first issue, computers don’t understand text, images, or emojis the way we do. They only understand 0s and 1s—
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Networks 101
In my previous posts, I delved into the inner workings of our smart devices. Now, I want to focus on another fundamental concept: how these devices connect and communicate through a network. Imagine a small town where each house is a device. If no roads connect the houses, sending messages
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Transistors 101
In my last issue on binary format, I mentioned that transistors are the building blocks of modern computers. That's a specific purpose, though. In a broader sense, transistors are the fundamental building blocks of modern electronics, enabling a wide range of devices, from computers and smartphones to medical
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Binary 101
We often hear that computers talk in binary. But what does that term mean? Well, "binary" means "relating to, composed of, or involving two things". In other words, it counts everything in base 2 rather than base 10. What do I mean by that? Let me
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Sneak Peek Inside Square 101
I have scheduled the first issue of Square 101 for delivery in two days, on May 1st. Here's a quick peek at what's coming. I would love for you to join me on the learning journey. What if I get it wrong? I don't
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Introducing Square 101
TL;DR: I'm starting a newsletter called "Square 101," where each issue is a short (500 words), sharp introduction to terms you hear often but no one ever explains. You can subscribe to the newsletter or follow it here on the blog. I will send the