Egyptian pyramid e sonar: o que têm em comum
- Passo 1. Egyptian pyramid — utiliza — Inclined plane. According to a common hypothesis, the blocks were raised on ramps.
- Passo 2. Inclined plane — evoluiu para — Screw. A screw is an inclined plane wrapped around a cylinder.
- Passo 3. Screw — é utilizado em — Propeller. A propeller “screws” itself into the water, like an Archimedes’ screw.
- Passo 4. Propeller — faz parte de — Submarine. A propeller.
- Passo 5. Submarine — tem como parte — Sonar. Underwater acoustics.