Needle eye and telescope: what they have in common

1. Step 1. Needle eye — is part of — Needle. A hole for the thread.
2. Step 2. Needle — is made of — Bone. The first needles with an eye were carved from bone.
3. Step 3. Bone — is material for — Spectacle frame. The first frames were made of bone and horn.
4. Step 4. Spectacle frame — is part of — Glasses. A frame.
5. Step 5. Glasses — evolved into — Telescope. The first telescopes were assembled by spectacle makers.

Open Evothings