Platinum and LIGO: what they have in common

1. Step 1. Platinum — is material for — Cochlear implant. The electrodes are platinum.
2. Step 2. Cochlear implant — has part — Analog-to-digital converter. Digital processing.
3. Step 3. Analog-to-digital converter — is part of — Image sensor. The pixel signal is digitized.
4. Step 4. Image sensor — has part — Photodiode. A sensor pixel is a photodiode.
5. Step 5. Photodiode — is part of — LIGO. A photodetector of the interference.

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