Magnetic lodestone spoon e paper machine: o que têm em comum

1. Passo 1. Magnetic lodestone spoon — faz parte de — Bússola chinesa. A lodestone spoon that turns its handle to the south.
2. Passo 2. Bússola chinesa — evoluiu para — Bússola. A magnetic pointer.
3. Passo 3. Bússola — utiliza — Magnetism. The needle aligns with the Earth’s magnetic field.
4. Passo 4. Magnetism — é utilizado em — Magnetic tape. Recording by magnetization.
5. Passo 5. Magnetic tape — é feito de — Paper. Pfleumer’s first tape was paper coated with magnetic powder.
6. Passo 6. Paper — utiliza — Paper machine. Industrial production.

Abrir Evothings