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Why Do the F and J Keys Have Bumps?

Most people use a keyboard every day—but almost no one notices the tiny bumps on the F and J keys. Those small ridges aren’t random. They’re called homing bars, and they’re the reason you can type without looking at the keyboard. In this video, we break down the purpose, history, and design logic behind the F and J key bumps—and how they made modern touch typing possible. You’ll learn: ⌨️ Why the F and J keys have raised bumps 📜 When keyboards first introduced homing bars 🧠 How touch typing works through muscle memory ⚙️ Why only those two keys have tactile markers 🚀 Why this tiny design detail still exists on every modern keyboard What looks like a minor manufacturing detail is actually one of the most important ergonomic standards in computing. Simple things. Simplified. Timestamps 0:00 – Why Do the F and J Keys Have Bumps? 1:04 – The Problem Early Typists Faced 2:19 – The Invention of the “Homing Bar” 3:56 – How Touch Typing Actually Works 5:28 – Why Keyboards Still Use Them #SimpleThingsSimplified #HowThingsWork #TouchTyping #KeyboardDesign #EverydayObjects #HiddenEngineering