This is a series of interactive lecture demonstrations with a theme of induction and Faraday's law, typically presented with a series of iClicker questions. Students predict the direction of current ...
Opinion
UnchartedX on MSNOpinion
Scientists tested ancient stones with 500,000 volts and the results were shocking
In an experiment using a high-voltage electromagnetic induction device, different stones used in Egyptian megalithic sites reacted in dramatically different ways. Limestone showed a strong response, ...
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