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Junior Skeptic 67: Perpetual Motion

Junior Skeptic 67: Perpetual Motion

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Junior Skeptic 67: Perpetual Motion

In this issue of Junior Skeptic, we’d like you to imagine two impossible, magical machines: The first machine runs forever. You may picture a complex tangle of gears and wheels, or something as simple as a spinning top, but imagine that it never runs down—once started it just keeps going without ever needing more energy. Now imagine a second machine. This one may require fuel or energy to run, but somehow, through some fantastic process, it generates more energy than it consumes. We aren’t the first to imagine these two types of “perpetual motion” machines. Inventors have dreamed of such devices for centuries. How has their search unfolded? Let’s find out!

This issue of Junior Skeptic was originally published in Skeptic magazine 23.2 (2018).

This product is a digital download in PDF format.

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