As global sea levels rise and inundate many coastal mega cities countries are considering building oceanic cities.


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As sea levels around the world continue to rise several countries, from the Maldives to Saudi Arabia and the US, are building massive floating ocean cities – all of which is helping bring seasteaders dreams of a floating utopia with a fluid geography, free from oppressive government in international waters, closer to reality. But to realise their dreams seasteaders are going need something to build their watery utopia on top of, and these interlocking seaweed bricks might be it.


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It’s an odd little political movement, seasteading. An idea as old as the hills, it’s been bubbling along in recent times with the Seasteading Institute as its main hub. But main hubs are hardly the idea; this is a movement for folk that feel the nation state has outlived its usefulness, who want to go as far off grid as it’s possible to go – into the middle of the oceans.

To do so these groups plan to abandon land altogether, and create independent floating societies at sea, every man his own L. Ron Hubbard, free to choose his own destiny beyond the reach of any country’s lawmen. Seasteaders could clump together in floating villages, or drift apart. Groups could each try their own ways of running things, and if you were living in one group, but liked the cut of another group’s jib, you could detach your home and move your family across to join them. They’d be modular political test-beds, encouraging people to criticize by creating, and the voting would be done with one’s feet. Or at least outboard motors.


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Despite the backing of Paypal founder Peter Thiel and his bottomless pockets, it seems the group’s plan to create its first extra-national floating city-state by 2020 are yet to be realized. But the dream is very much alive, and several groups are trying to get seasteads off the ground in various different countries.

Seabrick is a small company, toiling to liberate itself from the oppressive whip of the Canadian government in Vancouver, and it’s created a building unit specifically designed for the high seas. Seabricks form a kind of floating Lego set, their complex shapes interlocking together to create platforms and structures.

According to the Seasteading Institute, it’s 72% less expensive than floating concrete, at $360 per ton as opposed to $1,300 per ton – and it’ll last as long, or longer, than concrete. Compared with metallic pontoons, it’ll beat the per-ton price of aluminium pontoons by 83%, and steel ones by 58%. The numbers get even better if you create hollow pontoons with your Seabricks, says Seabrick.


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They’re made primarily out of kelp or sargassum – the latter a seaweed that gets pretty stinky when it decomposes. Seabrick says that gathering this stuff up from shorelines is tantamount to a public service. These seaweeds are dried, chopped up, combined with “some biologically sourced additives” and cast in a compression press before being coated with “a non-toxic polymer.” Each brick sequesters carbon, making them carbon negative, and takes “little energy and heat” to manufacture, making it a significantly better building material than concrete for the environment.

The company says it’s designed to build “marine infrastructure of all kinds, from wave breaks and offshore platforms to floating homes and ocean-based communities.” When you’re done with whatever it is you’ve built, or you come into a new pile of Seabricks and decide it’s time for a second story, your structure can be carefully pulled apart, modified or built anew re-using the original bricks.


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There’s no information as yet on availability, but I have a feeling you may be able to buy these things with crypto, just sayin’.

Source: Seabrick

About author

Matthew Griffin

Matthew Griffin, described as “The Adviser behind the Advisers” and a “Young Kurzweil,” is the founder and CEO of the World Futures Forum and the 311 Institute, a global Futures and Deep Futures consultancy working between the dates of 2020 to 2070, and is an award winning futurist, and author of “Codex of the Future” series. Regularly featured in the global media, including AP, BBC, Bloomberg, CNBC, Discovery, RT, Viacom, and WIRED, Matthew’s ability to identify, track, and explain the impacts of hundreds of revolutionary emerging technologies on global culture, industry and society, is unparalleled. Recognised for the past six years as one of the world’s foremost futurists, innovation and strategy experts Matthew is an international speaker who helps governments, investors, multi-nationals and regulators around the world envision, build and lead an inclusive, sustainable future. A rare talent Matthew’s recent work includes mentoring Lunar XPrize teams, re-envisioning global education and training with the G20, and helping the world’s largest organisations envision and ideate the future of their products and services, industries, and countries. Matthew's clients include three Prime Ministers and several governments, including the G7, Accenture, Aon, Bain & Co, BCG, Credit Suisse, Dell EMC, Dentons, Deloitte, E&Y, GEMS, Huawei, JPMorgan Chase, KPMG, Lego, McKinsey, PWC, Qualcomm, SAP, Samsung, Sopra Steria, T-Mobile, and many more.

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