Lightning contains a lot of energy, so where does this energy go after lightning has hit the ground? Does it travel all the way to the core? What happens after that?
Could a lightning bolt be harnessed to perform electrolysis, would a useful amount of hydrogen be produced? I'm imagining some industrial scale device in the ocean with some hydrogen capture ...
According to Wikipedia an average lightning has 1TW, the whole world used 16TW in 2006. (I suppose this means the same as 16TWh in one year?) Sometimes the lightning reaches 100kA. This peak last for ...