For some strange reason this old head was trying to sort out where tidal power comes from.
Unlike most other forms of power we have available, (apart from nuclear) that are directly or indirectly powered from the sun. As far as I can figure out, tidal power is drawing on the Earth's flywheel energy.
So does the tidal power we use slow the Earth down?
If so how?
I just can't get my head around this puzzle.
I guess there's a huge amount of energy stored in the earth's rotation, and it would take a very long time for the amount of energy we're likely to draw from it, to make a noticeable change in day/night length.