Triangulation and data centre: what they have in common

1. Step 1. Triangulation — is used in — Theodolite. Measuring angles.
2. Step 2. Theodolite — has part — Lens. A telescope.
3. Step 3. Lens — is part of — Spectroscope. A collimator.
4. Step 4. Spectroscope — is used in — Helium. Helium was discovered by spectroscopy in the solar spectrum.
5. Step 5. Helium — is material for — Large Hadron Collider. It is cooled with superfluid helium.
6. Step 6. Large Hadron Collider — uses — Data centre. A grid for processing data.

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