Snake Sidewinds Energy from the Sea

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snake_waves.jpg How cool is this. A giant rubber tube may help pump affordable electricity from ocean waves. The snakelike design is called the Anaconda. It’s ultra-simple, cheap to manufacture and maintain, and could help deliver clean energy from the sea.

Here’s how it works. The Anaconda is closed at both ends, filled with water, and anchored below the surface. One end faces the oncoming waves. When a wave hits, the water squeezes the Anaconda, causing a bulge wave to form inside the tube. The bulge wave runs through the snake at the same time the ocean wave runs along the outside of the tube, squeezing the tube further and causing the bulge wave to grow bigger. Eventually the bulge wave triggers a turbine at the far end of the Anaconda. The power produced by the turbine is then fed to shore via a cable.

Confused? Watch the video.

The Anaconda is still only a small-scale prototype. It’s funded by the UK’s Engineering and Physical Sciences Research Council, in collaboration with the Anaconda’s inventors and with its developer, Checkmate SeaEnergy. Engineers at the University of Southampton are embarking on large-scale experiments and mathematical studies, working towards full-scale implementation.

Never underestimate the intellectual power mustering on all fronts. We may yet immunize the future against ourselves.

Julia Whitty is Mother Jones’ environmental correspondent, lecturer, and 2008 winner of the Kiriyama Prize and the John Burroughs Medal Award.

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SIX TRUTHS

Reclaiming power from those who abuse it often starts with telling the truth. And in "This Is How Authoritarians Get Defeated," MoJo's Monika Bauerlein unpacks six truths to remember during the homestretch of an election where democracy, truth, and decency are on the line.

Truth #1: The chaos is the point.

Truth #2: Team Reality is bigger than it seems.

Truth #3: Facebook owns this.

Truth #4: When we go to work, we're in the fight.

Truth #5: It's about minority rule.

Truth #6: The only thing that can save us is…us.

Please take a moment to see how all these truths add up, because what happens in the weeks and months ahead will reverberate for at least a generation and we better be prepared.

And if you think journalism like Mother Jones'—that calls it like it is, that will never acquiesce to power, that looks where others don't—can help guide us through this historic, high-stakes moment, and you're able to right now, please help us reach our $350,000 goal by October 31 with a donation today. It's all hands on deck for democracy.

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