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Fungus may be the key to colonizing mars

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Fungus may be the key to colonizing mars

A Cleveland-based architect and a NASA Ames researcher have a novel idea for building on Mars.


By David Malone, Associate Editor | July 13, 2018
Exterior of a Mars building prototype

Courtesy Redhouse Studio

The thought of colonizing Mars has science fiction aficionados, scientists, and billionaire entrepreneurs staring up at the night sky with renewed wonder and inspiration. But the key to achieving the lofty goal of colonizing and building extensively on a new planet may not exist out among the stars, but under our feet right here on Earth.

Christopher Maurer, an architect and Founder of Cleveland-based Redhouse Studio, and Lynn Rothschild, a NASA Ames researcher, believe algae and mycelium (the vegetative part of a fungus that consists of a network of fine white filaments) may make the perfect building material on Mars.

 

See Also: Rovers set to invade construction jobsites

 

The algae, which would act as the food supply for the fungus, and mycelium spores would be packed into a flexible plastic shell where it would be watered and coaxed to grow, providing structure for the shell and filling it out almost like air fills out a bouncy castle.

 

Interior of Mars building prototypeCourtesy Redhouse Studio.

 

Here is how Rothschild, the principal investigator on the project, and Maurer, the co-investigator, envision the process working on Mars:

• Hermetically sealed bags containing dehydrated algae and dormant mycelium would be delivered to Mars (at a fraction of the weight, space, and cost of traditional building materials) and deposited at a given build site. The bags would then be unfolded and laid flat.

• A rover would deliver carbon dioxide, nitrogen, and water sourced from Mars to begin the growing process. The double-sealed plastic shell will fill with air and water, and the embedded algae will begin to grow. This reaction will create oxygen and biomass to fill the shell and give it form.

• Fungi are released and bind with the dried algal biomass to create a strong composite. This packed mycelium has a compression strength that is better than that of lumber and a better bend strength than reinforced concrete. The entire process would only take a couple of
days to complete.

 

Courtesy Redhouse Studio.

 

Essentially, astronauts would have a sustainable building material that can be altered to produce anything from more fabric-like materials to the ultra-compacted, rigid material required for structural uses. There is also the possibility that it can be bioengineered with pigments to protect against one of the toughest obstacles associated with building on Mars: radiation. The shells could be made in any shape to produce dwellings reminiscent of the ones we are more acclimated with here on Earth.

This project, which is being funded by the NASA Innovative Advanced Concepts program, is nowhere near becoming a reality, but it is one of the most well-rounded ideas yet for building on another planet.

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