Category: Uncategorized
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Trading: A Mathematical Game, an Informational Game — or a Negative-Sum Game?
🧠 Introduction At first glance, trading seems simple: Buy low, sell high. But when we analyze it rigorously, a deeper truth emerges: ⚙️ 1. The Ideal World: Random Walk Let’s start with a clean model: Mathematically: $E[\text{Profit}] = 0$ 👉 Trading becomes: 💸 2. The Real World: Costs Change Everything Now introduce reality: Now: $E[\text{Profit}]…
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Electrostatics — The Beginning of Understanding Electricity
If you look at the world carefully, you’ll notice something interesting—nature has always been doing experiments quietly around us. Electrostatics is one such story. It is a part of a bigger subject called electrodynamics, but here we focus only on charges at rest. Think of it like studying still water before trying to understand flowing…
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Introduction to Electrostatics
Electrostatics — Let’s Begin with a Curious Observation You know, if you take a moment and look at the world carefully, you’ll notice something quite fascinating—nature has been quietly performing experiments long before we even thought of science. Electrostatics is one such story. It is a part of a larger subject called electrodynamics, but here…