Eeg electrode cap and nuclear reactor: what they have in common

1. Step 1. Eeg electrode cap — is part of — Brain–computer interface. They pick up potentials from the scalp.
2. Step 2. Brain–computer interface — uses — Electroencephalograph. Brain signals.
3. Step 3. Electroencephalograph — is made of — Silver. The electrodes are silver with silver chloride.
4. Step 4. Silver — is material for — Control rod. Control rods of pressurized water reactors are a silver–indium–cadmium alloy.
5. Step 5. Control rod — is part of — Nuclear reactor. The rods control the power.

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