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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.

Politics in the Milky Way

Politics in the Milky Way

What's your perfect profession? If you could pick out of every job that has existed or will exist, what would you do? I know my answer. I would be an archaeologist. That may seem odd since the profession already exists and I am in an apprenticeship to become

Snake in 3D

Snake in 3D

Use WASD to move! During dead moments in the late 2000s, think airport lobbies or bus stops, Snake on my Nokia phone would always come to the rescue. A few years ago I wondered why I had never seen a 3D version of the game, one that controlled like the

John Conway's Game of Life

John Conway's Game of Life

Conway's game of life was born in 1970. It is hard not to come across it at one point or another. The idea is that simple rules result in unpredictable and often beautiful chaos with emergent order. You start with a grid of cells, some of which are

Metalic rainbows all around us

Metalic rainbows all around us

Have you ever looked closely at metal cutlery after sticking it into hot food? An oil slick on the road? The strange sheen on a beetle? These colours, sometimes called oil slick or neochrome, have a common origin. I wondered where the colour came from and found a couple cool

How to make a website to show WebGL creations

I spent an afternoon trying to figure out how best to make a website that I could put simulations on. Although all the steps turned out to be straightforward, the main confusion was what website platform to use that would make the process as simple as possible. With the hope

3 Body Instability Simulator

3 Body Instability Simulator

A simulation made in unity to demonstrate how the unstable nature of 3 orbiting stars leads to globular clusters having their more massive stars closer to the centre. The music used is "Stars" by Stefan Lu. Click the cog in the top right for instructions.

Far off cannons are heard but closer ones are silent

Far off cannons are heard but closer ones are silent

Cannons are loud. Before an interesting discussion with Tom Mulder, a DPhil student who studies how animals detect vibrations, I imagined that the further from a cannon you were the quieter it would be. This is not true.