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Comment: They don't even provide the chemistry... whats to prove their better or different from …
Comment: Well, first off all, many people live next to cell phone towers that transmit in the k…
Comment: Have you designed bike lights? The ambient temperature is lower and airflow is higher. …
Comment: Yeah it will work fine as long is it is the right resistance.
Comment: This instructable isn't that good. You don't explain the theory of operation or anythi…