Your coin and battery are a very simple radio transmitter. This radio will not transmit very far. However, if you know a little of Morse code, you could communicate with this device.

你的硬币和电池就是非常简单的无线电发射机，这台发射机虽不能传输很远，但如果你对莫尔斯电码略知一二，你就可以用这个装置进行联络。

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Hold the battery near the radio and hit the top of the battery with the coin. You should hear a clicking noise on the radio.

拿住电池靠近收音机，并用硬币去敲击电池的顶部，你就能在收音机里听到滴答的声音。

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Your coin and battery are a very simple radio transmitter.

VOA: special.2010.12.08

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