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What if the Only Way is Down? Subterranean Survival Opportunity

posted by martyb on Friday May 10 2019, @12:57AM   Printer-friendly
from the Mars/Moon-Ho!-Can-you-dig-it? dept.

Phoenix666 writes:

Phys.org:

"We are coming to a point in our history in which we need to start looking for more space," Han Admiraal, a civil engineer with over two decades of experience in underground space, told AFP on the sidelines of this year's World Tunnel Congress.
...
"Underground spaces could easily be used for growing crops," he said, as he toured the cavernous Bourbon Tunnel, dug deep under the Italian city of Naples as a potential escape route for King Ferdinand II of Bourbon after the 1848 riots.

Scientific developments in areas like aquaponics—where vegetables and fish are farmed together—could help relieve the pressure on the food supply chain, and dramatically cut transport costs if such new farms were situated under cities.

Isn't excavation expensive?

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  • (Score: 2) by HiThere on Friday May 10 2019, @04:32AM (1 child)

    by HiThere (866) Subscriber Badge on Friday May 10 2019, @04:32AM (#841711) Journal

    I think that you would find that under your scenario heat would start to be a problem.

    OTOH, if there's enough energy available, then space habitats could be just as large, or larger, than those underground cities, an could provide a wealth of different options that wouldn't be available underground, from slow trips to distant stars to topopolis. You might need to be a bit out from the sun, but with enough energy that ceases to be a problem. And excess heat can easily be radiated.

    For that matter, if energy ceased being expensive, building in space might be a lot cheaper. You wouldn't need to pay someone else for the real estate.

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  • (Score: 3, Touché) by c0lo on Friday May 10 2019, @08:31AM

    by c0lo (156) Subscriber Badge on Friday May 10 2019, @08:31AM (#841760) Journal

    You wouldn't need to pay someone else for the real estate.

    You wish!

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