Giordano Bruno, Free Thinker

🇧🇷 🇮🇹 🇪🇸 17 February 1600, Campo de’ Fiori, Rome, planet Earth. Giordano Bruno is burned alive by the Authority of the time (specifically, the Holy Inquisition) for refusing abjuration of his heretical ideas, in particular: that our planet Earth was not unique; that other worlds similar to ours existed, around stars similar to ourContinue reading “Giordano Bruno, Free Thinker”

The density of black holes

Black holes are the most extremely compact objects of the Universe. In fact, at their center lies a singularity: a point with zero volume, where all the mass of the black hole is compressed. The singularity is a region of infinite density — something that is not really conceivable by the human mind. Density isContinue reading “The density of black holes”

Welcome! Bienvenid@s! Bem-vind@s! Benvenuti!

[Aquí en español — Qui in italiano — Aqui en português] Welcome to ““! This page was born from the need to share the riches that my occupation gives me (I will tell about the torments only if they contain a remarkable and immediate didactic side). I am a lucky human, spending my life inContinue reading “Welcome! Bienvenid@s! Bem-vind@s! Benvenuti!”