Music printing e sonar: o que têm em comum

1. Passo 1. Music printing — utiliza — Movable type. Music type.
2. Passo 2. Movable type — faz parte de — Gutenberg printing press. Text is set from metal type.
3. Passo 3. Gutenberg printing press — utiliza — Ink. An impression needs ink; Gutenberg used an oil-based one.
4. Passo 4. Ink — é utilizado em — Inkjet printer. Ink.
5. Passo 5. Inkjet printer — utiliza — Piezoelectric effect. Piezo heads eject droplets.
6. Passo 6. Piezoelectric effect — é utilizado em — Sonar. Langevin’s transducer is piezoelectric quartz.

Abrir Evothings