Sometimes I'm bored and I'm getting involved in discussions with various kinds of pseudoscientists. Such discussions are often a waste of time, but it's possible occasionally to get something out of them

Note: This text is not a part of the series about physics intended to be simple. It shows all the calculations needed to get the result. If you get scared by math, this post isn't for you ;) Note 2: Since

Events and space-time This is the first entry in what hopefully will become a series about relativity, both special and general. I intend to write some articles that will explain relativity in a way

Since the contributors (especially developers) are required to provide a proof that they own a given GitHub account, I'm thinking - why not do it via Keybase? Keybase already provides a way of proving

Black Hole Simulator The program simulates spaceflight in the vicinity of a black hole. The motion is calculated in accordance with General Relativity. Apart from that, light bending and Doppler effect

A video What is the project about? The 4D Labyrinth is a program allowing the user to move inside a 4-dimensional labyrinth. I'm probably losing some of the readers at this point already, so I guess I