Weather forecast and aeroplane: what they have in common

1. Step 1. Weather forecast — uses — Weather station. Observations.
2. Step 2. Weather station — has part — Barometer. A barometer.
3. Step 3. Barometer — evolved into — Altimeter. An altimeter is a barometer with an altitude scale.
4. Step 4. Altimeter — is part of — Cockpit. An altimeter.
5. Step 5. Cockpit — is part of — Aeroplane. A cockpit.

Open Evothings