Fluoreto e gutenberg printing press: o que têm em comum

1. Passo 1. Fluoreto — é material para — Toothpaste. Fluoride.
2. Passo 2. Toothpaste — é utilizado em — Toothbrush. Toothpaste.
3. Passo 3. Toothbrush — é feito de — Plant fibre. The bristles were hog hair, later nylon.
4. Passo 4. Plant fibre — é utilizado em — Loom. Cloth is woven from threads spun from fibres.
5. Passo 5. Loom — inclui — Jacquard loom. A loom with punched cards.
6. Passo 6. Jacquard loom — funciona como — Gutenberg printing press. An analogy, not proven influence: both set type and a chain of punched cards are a replaceable pattern that a machine reproduces over and over.

Abrir Evothings