How Do Solar Panels Work?

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You know it, I'm curious about everything and I think I know how solar panels work but, well, not really. 

Do you?

This is what I think ...

The sun's rays come down, they hit solar panels, um, something does science and turns the heating / electrons / malarkey into electricity that is filtered through copper wires into, err, a battery or other wires connected to bulbs.

That's it, no?

Ooooh, according How Stuff Works I'm pretty close, different language but yeah.

Silicon is the thing.
And electrons.

There's this ...

Diagram of a solar panel's layers

... but really what we want is this...
 

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