blog.alexalemi.com Dyson Spheres

I wrote about Dyson spheres, and how impossible they are in our lifetime: blog.alexalemi.com/dyson-sphere...

A logarithmic circular dial separated into four segments, in order they are labeled 1, tau, pi, and a three legged pi.

Recently I've been trying out doing calculations using quarter-order-of-magnitude. Gives better precision than single sig fig calculations with only four, very intuitive, symbols. blog.alexalemi.com/quarters.html

A quarter circle meter showing a nonlinear mapping between probabilities that run from 0% to 100% and angles that run from 90 degrees to 0 degrees.

Why don't we measure probabilities in degrees?
blog.alexalemi.com/a-degree-of-...

In which I try to make sense of most of machine learning: blog.alexalemi.com/kl-is-all-yo...