Summaries and Commentaries

Chapter 3

loadstone  a strongly magnetized rock, especially one containing magnetite; something that attracts, as with magnetic force.

Power of the Sky  lightning that streaks the sky during thunderstorms. In fact, lightning is generated by a discharge of atmospheric electricity from one cloud to another or between a cloud and the earth. No one in this backwards society has an idea of the connection between lightning and electricity, or even of the existence of electricity as a force of nature.

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