Available Resources - Master Key To Resolve Contradictions

First, we formulate a contradiction, for example, the following: The car remote control of central locking key should be low-powered to maintain compactness and long battery life, AND it should be high-powered to increase the range. Then, to resolve this contradiction with providing both functions of a compactness and a large range, it is proposed to consider the resources already available. Here is a magnificent case of using our own body as an amplifier --