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carbon capture, oceans -

𝐇𝐞𝐢𝐦𝐝𝐚𝐥 𝐩𝐮𝐥𝐥𝐬 𝐂𝐎𝟐 𝐚𝐧𝐝 𝐜𝐞𝐦𝐞𝐧𝐭-𝐦𝐚𝐤𝐢𝐧𝐠 𝐦𝐚𝐭𝐞𝐫𝐢𝐚𝐥𝐬 𝐨𝐮𝐭 𝐨𝐟 𝐬𝐞𝐚𝐰𝐚𝐭𝐞𝐫 𝐮𝐬𝐢𝐧𝐠 𝐫𝐞𝐧𝐞𝐰𝐚𝐛𝐥𝐞 𝐞𝐧𝐞𝐫𝐠𝐲

𝐇𝐞𝐢𝐦𝐝𝐚𝐥 𝐩𝐮𝐥𝐥𝐬 𝐂𝐎𝟐 𝐚𝐧𝐝 𝐜𝐞𝐦𝐞𝐧𝐭-𝐦𝐚𝐤𝐢𝐧𝐠 𝐦𝐚𝐭𝐞𝐫𝐢𝐚𝐥𝐬 𝐨𝐮𝐭 𝐨𝐟 𝐬𝐞𝐚𝐰𝐚𝐭𝐞𝐫 𝐮𝐬𝐢𝐧𝐠 𝐫𝐞𝐧𝐞𝐰𝐚𝐛𝐥𝐞 𝐞𝐧𝐞𝐫𝐠𝐲

One of the consequences of rising CO2 levels in our atmosphere is that levels also rise proportionately in the ocean, harming wildlife and changing ecosystems.  Heimdal is a startup working to pull that CO2 back out at scale using renewable energy and producing carbon-negative industrial materials, including limestone for making concrete, in the process, and it has attracted significant funding even at its very early stage. If the concrete aspect seems like a bit of a non sequitur, consider two facts: concrete manufacturing is estimated to produce as much as 8% OF all greenhouse gas emissions, and seawater is full of...

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Aquacities, energy harvest, oceans -

𝐓𝐫𝐢𝐛𝐨𝐞𝐥𝐞𝐜𝐭𝐫𝐢𝐜 𝐍𝐚𝐧𝐨𝐠𝐞𝐧𝐞𝐫𝐚𝐭𝐨𝐫𝐬: 𝐇𝐚𝐫𝐯𝐞𝐬𝐭𝐢𝐧𝐠 𝐄𝐧𝐞𝐫𝐠𝐲 𝐅𝐫𝐨𝐦 𝐎𝐜𝐞𝐚𝐧 𝐖𝐚𝐯𝐞𝐬

𝐓𝐫𝐢𝐛𝐨𝐞𝐥𝐞𝐜𝐭𝐫𝐢𝐜 𝐍𝐚𝐧𝐨𝐠𝐞𝐧𝐞𝐫𝐚𝐭𝐨𝐫𝐬: 𝐇𝐚𝐫𝐯𝐞𝐬𝐭𝐢𝐧𝐠 𝐄𝐧𝐞𝐫𝐠𝐲 𝐅𝐫𝐨𝐦 𝐎𝐜𝐞𝐚𝐧 𝐖𝐚𝐯𝐞𝐬

  Traditional power generation is not ideal for marine exploration challenges, but the solution may be in the water’s motion. Researchers have developed sphere-based triboelectric nanogenerators that can be incorporated directly into navigational buoys to provide electricity from ocean waves. To find a power source for buoys, look no further than the ocean itself. During the AIP Publishing Horizons — Energy Storage and Conversion virtual conference, which will be held August 4-6, 2021, Cátia Rodrigues, from the University of Porto, will discuss the prospects of using power generators in the ocean to address the energy concerns of marine exploration. The presentation,...

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