Euler had a knack for looking past the surface of a problem and finding the structure underneath.
Bridges became graphs, polyhedra revealed invariants, infinite series led to π, and complex numbers took on a geometric form.
Would you rather have a candlelit dinner with someone who is an expert on:
A) Galaxies, stars, and stellar remnants, or
B) History's greatest voyages of exploration (e.g., Leif Erikson, Marco Polo, Magellan, and the like)?
A Penrose diagram changes the question we usually ask from “How far away is something?” to a more fundamental one: “Can a signal from there ever reach here?”
Here’s how it works:🧵