In the last five years, the number of private start-up companies pursuing fusion energy has increased ten-fold. They promise a variety of outcomes – from cheap and abundant dispatchable clean energy to world peace – if you'll only open your wallet and help them keep the lights on. Map of fusion companies' headquarters. Deutelio isn't … Continue reading Fusion company tier list 2024
Category: Physics
An animated description of Landau damping
When an electron plasma wave passes through a plasma with a high enough temperature at a low enough phase velocity, its energy is siphoned into the plasma, and the wave decays. This is Landau damping, one of the most infamous plasma physics phenomena known to science. While the concept is relatively simple, explaining the mechanism … Continue reading An animated description of Landau damping
A comprehensive colormap style guide
Say you’re writing a scientific paper, and you need to plot the geographical prevalence of a gene. Or a snapshot of the phase-space particle density in a PIC simulation. Or the measured temperature along an array of thermocouples as a function of time. In such contexts, our ancestors have long turned to the humble pseudocolor … Continue reading A comprehensive colormap style guide
Magnetohydrodynamic simulations in COMSOL Multiphysics
If you don't know what magnetohydrodynamics (henceforce "MHD", because I'm boring) is, this is basically all you need to know. If you don't know what COMSOL is… this. In all seriousness, though, MHD is basically just Euler's equations for fluid flow generalised to a highly conductive fluid where Maxwell's equations also apply. It has a … Continue reading Magnetohydrodynamic simulations in COMSOL Multiphysics
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