Wireless charging and fuel cell: what they have in common

1. Step 1. Wireless charging — uses — Electromagnetic induction. Induction.
2. Step 2. Electromagnetic induction — is used in — Cochlear implant. The signal is passed through the skin by induction.
3. Step 3. Cochlear implant — is made of — Platinum. The electrodes are platinum.
4. Step 4. Platinum — is material for — Fuel cell. A platinum catalyst.

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