Mistérios da Matemática

Certamente todos já ouviram falar no número π (PI). É o número com que se representa a razão entre o perímetro de uma circunferência e o seu diâmetro (equivale a 3.141592653589793238462643383279502884197169399375...

Hoje não vos falo do π (PI) mas sim do φ (letra grega que se pronuncia "fi") que corresponde a 1,618. Este número representa a razão áurea, a beleza perfeita, a proporção ideal.

Esta razão já era utilizada pelos Gregos (na construção de edifícios como o Parthenon) e pelos Egípcios que fizeram o mesmo com as pirâmides: cada pedra era 1,618 menor do que a pedra de baixo, a de baixo era 1,618 maior que a de cima, que era 1,618 maior que a da 3ª fila e assim por diante.

As mesmas proporções foram utilizadas por Leonardo da Vinci no Homem de Vitrúvio e na Gioconda.
Tudo, no corpo humano é regido pela Proporção Divina. Os animais, as plantas.... enfim, tudo o que nos rodeia está ligado por essa mesma proporção.

Então, até hoje, este é considerado o número de ouro!

Por exemplo: - Meçam a vossa altura e depois dividam pela altura do umbigo até o chão; o resultado deverá ser aproximadamente 1,618.

- Meçam o braço inteiro e depois dividam pelo tamanho do cotovelo até o dedo médio ; o resultado deverá ser aproximadamente 1,618.

- Meçam a perna inteira e dividam pelo comprimento do joelho até o chão; o resultado deverá ser aproximadamente 1,618.

- Da cintura até a cabeça e depois só o tórax; o resultado deverá ser aproximadamente 1,618.

Considerem erros de medida da régua ou fita métrica, bem como "erros" no nosso próprio corpo.

Há também uma máscara com as proporções ideais para o rosto humano, testei numa foto minha e dá para ver bem que há certos aspectos em mim que não estão proporcionais como por exemplo o nariz e as sobrancelhas, digamos que ninguém é perfeito!
A máscara encontra-se aqui (eu utilizei o Fireworks para sobrepôr as duas imagens mas é aconselhável imprimir)
mais informações aqui

17 comentários:

Zig disse...

Afinal, somos mais "perfeitos" do que pensava :)


jocasipe disse...

Post muito interessante.

Trequita disse...

@zig e jocasipe

Tudo o que nos rodeia é fascinante!

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