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Title: Good idea: terrible execution
Review: Alten's people do not seem believable, and his claim to have done extensive research is hard to justify based on what he's written here. A couple of examples: there are no hydrothermally warmed layers in the Marianas trench, and recommissioning a 40-year-old submarine would take years, if it could be done at all. While deepsea predators do often carry lights to lure prey, a predator that glowed white all over, as Alten's shark does, would make no sense: there is no better way to advertise your presence to your potential meals.
