Oar blade e laser: o que têm em comum

1. Passo 1. Oar blade — faz parte de — Oar. The flat part in the water.
2. Passo 2. Oar — faz parte de — Barco. A boat was moved by oars.
3. Passo 3. Barco — evoluiu para — Sailing ship. Sailing ships grew out of rowing boats.
4. Passo 4. Sailing ship — tem como parte — Sextant. The sextant and chronometer were a sailing ship’s navigation kit for finding latitude and longitude.
5. Passo 5. Sextant — tem como parte — Mirror. Mirrors — the principle of double reflection.
6. Passo 6. Mirror — faz parte de — Laser. A resonator made of mirrors.

Abrir Evothings