ode, gravity, 4th order runge-kutta, einstein, angular momentum, space, fortran, extrapolation, f2py

Computes the precession of Mercury by linear extrapolation.

differential equation, ode, gravity, newton, 4th order runge-kutta, einstein, angular momentum, space

Discussion of orbits in the Schwarzschild Geometry.

rayleigh's criterion, einstein, star trek, discrete fourier transform, image filtering

Using Fourier transforms to filter and analyzing hybrid images.

einstein, animation, brown, diffusion, random walk

A brief introduction to Brownian motion and its connection with diffusion. A system of Brownian particles in 2D is simulated and visualised.