Electric robots are mapping the seafloor, Earth's last frontier

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These electric robots are mapping the bottom of the ocean

For centuries, humans have explored the Earth's mountains, jungles and deserts. But despite covering more than 70% of the Earth's surface, the ocean is still a relative mystery. In fact, we know more about the surface of Mars than we do about the sea floor; just over 20% of the ocean bed has been mapped.

Getting a fuller picture would enable us to navigate ships more safely, create more accurate climate models, lay down telecommunication cables, build offshore windfarms and protect marine species -- all part of what's known as the"blue economy," projected to be worth $3 trillion by 2030.Underwater robotic vehicles equipped with sensors are helping gather that data quicker and more cheaply than ever before.

 

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Is there any possibility they could also retrieve the plastic swamping our oceans too, whilst they’re down there?

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