
Este site dedica-se às aves e a relação com o Homem. O canto do Canário Timbrado, Canário Harz Roller, do canário Malinois e outros canários.. O objectivo de site é contar as aventuras e os arcos de descobertas relacionados com Homem e as aves. This site is dedicated to birds.singing canaries song,canaries,canaries de chant. carmelita=carmelo=jardim
29 de agosto de 2017
Symmetry of Sound: Getting the public into musical maths
At the end of the eighteenth century, the courts of Europe thrilled to the demonstrations of a violin bow being dragged across the side of a metal plate. It was not the sound, but the shapes that were appearing in the sand scattered on the metal plate that so excited audiences.
Mathematician Ernst Chladni discovered extraordinary symmetrical patterns hidden inside the strange noise of the vibrating plate.
Inspired by Chladni’s performances, Marcus du Sautoy and his team have developed activities to engage young people, adults and families with sound and symmetry while exploring the mathematics and physics behind the emerging patterns and how it is relevant to instrument design, quantum physics and even the theory of prime numbers.