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Salah Kouhen

Salah Kouhen

A PhD student at Oxford. Interested in turbulence, physics generally and a mix of many other things.

Liouville's equation

Liouville's equation

Summary I explain what the Liouville equation for the probability density function (PDF) is and its significance for weather prediction and chaotic systems more generally. I give its derivation, show how it is applied to a simple ODE and the Lorenz 63 system, I discuss its extension to the Fokker-Plank

My first game jam

My first game jam

Last month a dear friend of mine – one Stefan Colakovic - had his birthday. To celebrate we decided to try our own 24-hour game jam. Our first idea was to use it as an opportunity to learn the basics of making an online multiplayer game. After 2 hours we realised,

Making my first App

Making my first App

I have a long list of things I want to understand and make. Some of the entries on this list are apps. Back during the winter break I thought I would finally get the ball rolling and learn to make a simple android application. Of the apps I actually want

Beauty that computers can’t capture (for now)

Beauty that computers can’t capture (for now)

Can a computer write a symphony, can a computer turn a canvas into a beautiful masterpiece? Well... yes. We have reached an era of AI art and music generation. But what can our silicon friends not do? I give 3 examples that came to mind. The first is mathematical. We

Why do waves always come towards the beach?

Why do waves always come towards the beach?

Have you ever noticed that the waves always come towards the shore at the beach? That's quite strange right? A storm out in the ocean will generate waves and they will travel radially outwards from the source, so how come we never get to see the waves coming

Making that one Windows wallpaper in Unity

Making that one Windows wallpaper in Unity

Environments in virtual reality are amazing. Most of us have walked around cities and mountains that exist only in 1s and 0s. I have many ideas for projects I would like to complete in the future and some of those would look much better placed in a virtual world. So,

Where do people find the weather hardest to predict?

Where do people find the weather hardest to predict?

In a previous blog post I showed where the weather deviated the most from the monthly average. In this blog I am going to combine those fields to make a map of where I think a local would find the weather hard to predict. What do I mean by predicting