Le nombre d'or : Sa présence inattendue et spectaculaire dans notre quotidien et dans la nature

Financial support: https://fr.tipeee.com/vise-le-pass-av... The mathematical universe described by a university professor: https://amzn.to/304oaSE Biomimicry and the golden ratio: https://amzn.to/3ltmWJ6 Book on the golden ratio, for sacred geometry enthusiasts: https://amzn.to/2YKhDfz Canvases/frames printed with the golden spiral: https://amzn.to/302I8gz Math posters (golden spiral, Fibonacci, and others): https://amzn.to/3iP9Wf4 "Golden ratio", Φ, and Fibonacci T-shirts: https://amzn.to/3Dkd5vc and/or https://amzn.to/3uZKhVQ Pendant seen in the video: ☆ A symbol of universal harmony, often called the "divine proportion," the golden ratio is observed in nature and is widely used in art (painting, architecture, the Pyramid of Khufu, cathedrals, etc.): https://amzn.to/3mArRqS This video is a revised version of the previous video that has been popular in recent months. Here and now, more rigor and less bell ringing ;-) If you're not familiar with the Fibonacci sequence, I recommend watching this video first. It's just as magical and will help you better understand the construction of the golden ratio: The Fibonacci Sequence:    • Suite de Fibonacci et nombre d'or - 1ère p...   What is this golden ratio? How is it calculated? Where is it found in nature? And in our buildings? (The Parthenon, the Pyramid of Khufu, cathedrals, the Louvre pyramid, etc.). Why? What is its connection with the Fibonacci sequence?    • Suite de Fibonacci et nombre d'or - 1ère p...   Questions, equations, answers, observations of its presence in the world around us. From the simplest element of our daily lives, like a bank card, to the most unknown element of our civilization, the Milky Way, it is there, present. In the form of segments, triangles, rectangles, spirals... It repeats itself and explains its presence with the idea of ​​divine beauty. Discover the history of the golden ratio, its nickname Φ, and beware of counterfeits!