Rossby modes

A quick one containing the derivation of the Rossby modes of a 2d fluid on the surface of a sphere.

Another take at Zeno's paradox

Going back to this famous paradox, I talk about the concepts of motion, contradiction and dialetheism

How I use zettelkästen

A short account of the way I use neuron to keep notes using the zettelkästen method.

The SIR model of infectious diseases

Reacting to the actuality of the coronavirus pandemic that we are currently living through, I present some simplified mathematical models used in epidemiology.

Some bell curves

I work out some of the properties of the Gaussian function from its generating differential equation including its first integral.