Salah Kouhen

My PhD is about the predictability of the weather. To me, predictability means the rate of ensemble spread. Ensemble spread is how quickly computer simulations starting with similar weather disagree with each other. You could also think about it as how predictable a robot would find the weather. But what

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