Feltro e submarine: o que têm em comum

1. Passo 1. Feltro — é material para — Piano. The hammers are covered with felt.
2. Passo 2. Piano — utiliza — Tuning fork. Tuning.
3. Passo 3. Tuning fork — faz parte de — Quartz clock. Quartz shaped like a tuning fork at 32,768 Hz.
4. Passo 4. Quartz clock — utiliza — Piezoelectric effect. The quartz resonator vibrates thanks to the piezoelectric effect.
5. Passo 5. Piezoelectric effect — é utilizado em — Sonar. Langevin’s transducer is piezoelectric quartz.
6. Passo 6. Sonar — faz parte de — Submarine. Underwater acoustics.

Abrir Evothings