Ski base and GPS (satellite navigation): what they have in common

1. Step 1. Ski base — is part of — Snowboard. A polyethylene base.
2. Step 2. Snowboard — is made of — Fibreglass. It is sheathed in fibreglass.
3. Step 3. Fibreglass — is material for — Heat shield. Ablative shields are fibreglass with phenolic resin.
4. Step 4. Heat shield — is part of — Space Shuttle. Heat-shield tiles.
5. Step 5. Space Shuttle — is a kind of — Reusable rocket. The Shuttle was the first reusable spacecraft: it landed like a plane.
6. Step 6. Reusable rocket — has part — GPS (satellite navigation). Navigation during landing.

Open Evothings