https://youtu.be/dYbPuR1hmao?si=ZT6TlYizTdRpV65X
Harvesting ever-increasing massive beach-dumps of sargassum seaweed - mixed with rum byproducts (sugar) and sheep manure (anaerobic bacteria) to yield methane gas fuel.
Picture at 6:10 - removing arsenic yielding fertilizer and methane. Arsenic is preferentially taken up by the seaweed.
https://youtu.be/X4rxSz8Oze0?si=D6LjXRZZvtAiEVXi
Pelagic Sargassum blooms have massively increased, littering Caribbean beaches - perhaps fueled by nitrogen runoff from Amazon deforestation.
At the right proportions, sargassum with its lignin, cellulose, and polysaccharides
3:16 acts like rebar reinforcing the concrete blocks, making them twice as strong as conventional ones.
The bricks also have 4:07 half the thermal conductivity of regular bricks, reducing air conditioning costs.
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