I think this is a very interesting and exciting idea - I'm surprised there is nothing like it out there at the moment (surely the energy companies are be developing this kind of thing!). I have a few questions:
1) How does this compare to wind power in terms of energy produced? I imagine water currents are more consistent than wind.
2) Where can these turbines be installed (again, I imagine currents will vary significantly)? Are there obvious locations in and around the UK?
3) Other than cost, is there anything preventing these from being built (ie govements permissions/applications required)?
4) With regard to the video, how small were the models in the tank compared to the proposed real thing?
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by Laura Johnson