He turned back to the group, his eyes bright. "Now, let’s go inside and see why dt2d t squared equals zero, but dW2d cap W squared . That’s where the magic starts."
Leo watched the glitter disappear into the drain. "This math is why we can price an option on Wall Street or predict how a virus spreads through a city. We are learning to calculate the logic of the wind. We aren't just measuring the path; we’re measuring the uncertainty itself." An Informal Introduction to Stochastic Calculus...
One student, Sarah, frowned. "So how do we track it if the math breaks?" He turned back to the group, his eyes bright