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> There’s so much we don’t know about high voltages. I never understood why we don’t research it more. I guess too dangerous.

High voltage is quite well-researched. I'm sure there are experts who understand exactly what is happening here. We might not know the immediate cause of the explosion yet.

> Even a phenomenon like this. Could we use it for lighting a whole City for less power than streetlamps?

I'm a total layman, but it seems like the large majority of the light generated is wasted lighting up the sky instead of the ground. It's only producing as much groundlight as it is because there happened to be low clouds that night. That's why street lamps have reflectors above them to focus the light downwards. That's not even considering the amount energy wasted as heat.




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