Parvaraj Barad blog

  The Hidden Language of Electronics: 5 Principles That Will Change How You See Your Gadgets Introduction: Unlocking the Magic Box Modern electronic devices often feel like magic boxes. We tap a screen, and a world of information appears. We plug a charger into the wall, and an invisible force replenishes our phone's battery. For most of us, the inner workings are a complete mystery—complex, unknowable, and frankly, a bit intimidating. It's easy to assume that the principles governing these devices are far beyond the grasp of the average person. Recently, I got my hands on a university-level lab manual for a "Basic Electronics and Electrical Engineering" course, and I discovered something surprising. The "magic" isn't magic at all. It's built on a foundation of a few elegant, powerful, and sometimes counter-intuitive principles. Peeling back the layers of complexity reveals a logical and surprisingly beautiful system. This article shares the five mos...

  The Hidden Secrets of Steel: 5 Counter-Intuitive Truths From the Lab Introduction: Hooking the Reader Take a moment to look at the objects around you. The fork you eat with, the metal frame of a chair, and the components inside your phone. We are surrounded by materials like steel that feel simple, solid, and dependable. But if you could look closer—much closer—you would discover that these seemingly simple objects have complex inner lives and hidden properties that are only revealed under the microscope. Their stoic surfaces conceal a world of crystal structures, boundaries, and behaviors that defy our everyday intuition. This article distills some of the most surprising and impactful takeaways from a materials science lab notebook. It reveals five truths about the physical world that challenge our common assumptions and offer a glimpse into the fascinating science that governs the materials we build our world with. The Listicle: 5 Surprising Takeaways 1. The Stainless Steel Rid...