The Three-Body Problem in p5.JS

Simon’s visualization of the notorious thee-body problem (two stars and a particle) in 1D: https://editor.p5js.org/simontiger/sketches/WTUoBaxgo and in 2D: https://editor.p5js.org/simontiger/sketches/B0pQl94pd

Newtonian GPS would place you on the wrong planet!

Simon explains why our modern satellite navigation (the Global Positioning System or GPS) is a great experimental proof for Einstein’s relativity theory and what would happen if the software calculated … Continue reading Newtonian GPS would place you on the wrong planet!

Impressions on Newton’s mechanics.

“Are you impressed?” – Simon asks, laughingly, and I can see it must be a pun. We are in bed, reading up on Newton’s laws of motion that talk of … Continue reading Impressions on Newton’s mechanics.