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Renewables

Renewables

Turning water into watts

03 Mar 2020
Taken from the March 2020 issue of Physics World.

Huge technical and financial hurdles face anyone seeking to harness the vast power of the world’s oceans. For a devout band of researchers and hi-tech business pioneers, however, the dream of “blue energy” lives on, as Stephen Ornes discovers

Ocean waves
(Courtesy: iStock/cookelma)
In many ways, the ocean seems like the most obvious place in the world to look for energy. Water cov

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Stephen Ornes is a science writer in Nashville, Tennessee, US, e-mail stephen@stephenornes.com
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