Hydrometer e gutenberg printing press: o que têm em comum

1. Passo 1. Hydrometer — utiliza — Princípio de Arquimedes. A hydrometer floats: the buoyant force depends on the liquid's density, so how deep it sinks shows the density.
2. Passo 2. Princípio de Arquimedes — é utilizado em — Barco. A vessel stays afloat by Archimedes’ principle.
3. Passo 3. Barco — evoluiu para — Sailing ship. Sailing ships grew out of rowing boats.
4. Passo 4. Sailing ship — utiliza — Mercator projection. Navigating along straight rhumb lines.
5. Passo 5. Mercator projection — utiliza — Gutenberg printing press. Maps were printed in large numbers.

Abrir Evothings