If your youngster asks you for assist along with his math homework and also you see that, in an train, the angles of a triangle solely add as much as 90 levels, you’ll instantly inform him that he was fallacious, however… What if there was a geometry the place his reply may very well be right? The lengthy obsession of mathematicians to know in depth the formal bases of geometry gave rise to the looks of unsuspected universes the place any such phenomena are attainable. But removed from closing the query, it opened one other: how can we think about them?
Continue studying
https://elpais.com/ciencia/cafe-y-teoremas/2026-02-16/la-busqueda-durante-mas-de-2000-anos-de-las-geometrias-imposibles.html