Energy and the Environment #12: Hidden Energy

Now it’s time for Rachel’s question. You might remember that she asked about converting lightning into energy for transportation. Well, first, let’s think about energy.

It exists in all kinds of things — hidden, sometimes. We don’t always think about things as having energy (or as requiring energy for packaging or shipping), but there’s energy everywhere. It just so happens that lightning (aside from being powerful itself) also returns nitrogen into the soil, which in turn goes into our food. So we already use the power of lightning, without having to lift a finger!

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Segment 12 Download Links
Use these links to download the movies to your computer. You can “control+click” to save the file.

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