Energy and the Environment, Segment 12: Hidden Energy - a podcast by PSD Channel 10 and Little Shop of Physics

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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