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We are one step closer to waterless concrete for use on the Moon: the technology that could change 100% of construction on Earth

Written by Rafaela Fabris
Published 30/11/2024 às 02:38
We are one step closer to waterless concrete for use on the Moon: the technology that could change 100% of construction on Earth
With 0 liters of water and extreme temperatures of up to 121°C, water-free concrete for use on the Moon could transform space constructions and reduce environmental impact on Earth. (Image: Reproduction)

We are close to achieving water-free concrete for use on the Moon. New technology promises to revolutionize space construction and could have a positive impact on the planet.

The search for alternatives to traditional concrete is about to take a giant leap, literally out of this world. Scientists are working on a groundbreaking project to create waterless concrete for use on the Moon, a solution that not only promises to make construction on Earth’s natural satellite viable, but also bring revolutionary benefits to projects right here on our planet.

Why change traditional concrete?

Concrete, one of the most used materials in construction of buildings, roads and bridges, carries a huge environmental cost. The production of cement, the main component of concrete, generates a staggering carbon footprint and consumes huge amounts of water — an increasingly precious resource.

With humanity’s return to the Moon on the horizon, an additional challenge arises: how to build structures there, where water availability is extremely limited? The answer may lie in creating water-free concrete for use on the Moon.

How does concrete work without water?

We are one step closer to waterless concrete for use on the Moon: the technology that could change 100% of construction on Earth
It is special because it eliminates the use of water, a critical resource, withstands extreme temperatures and has the potential to dramatically reduce the carbon footprint of construction, both on Earth and in space.

Researchers at Louisiana State University (LSU) have developed a type of sulfur-based cement. This cement is heated until it melts, eliminating the need for water in the process. To test the material, they used a compound that simulates lunar soil and were able to create concrete walls with 3D printers.

In addition to dispensing with water, this new technique offers other advantages. Structures built with the material can withstand extreme temperatures, such as those recorded on the Moon, where thermometers can vary from 121°C during the day to -133°C at night.

Testing and the future of lunar constructions

There are still challenges ahead. Scientists need to analyze how these structures behave in a low-gravity environment, such as that of the Moon. The good news is that the LSU project has the support of NASA and is being evaluated at the Marshall Space Flight Center in Alabama, USA.

Philip Metzger, a planetary physicist at the University of Central Florida, explains that the real test will come in lunar missions. “When we send missions to these planetary bodies to test the technology using real soil, we may find that we need to improve the technology even further to make it work in that environment,” he told MIT Technology Review.

Impact on Earth

If the waterless concrete technology for use on the Moon proves effective, it could be adapted for construction here on Earth. By using less water and replacing it with sulfur, the solution has the potential to reduce the environmental impact of the construction industry.

As we await further advances, we are certainly on the cusp of an innovation that could transform both the future of space exploration and life on our planet. Building without water could be the next big step toward a more sustainable world — and perhaps even new worlds.

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Rafaela Fabris

He talks about innovation, renewable energy, oil and gas. With over 1.200 articles published in the CPG, he updates daily on opportunities in the Brazilian job market. Suggestions for topics: rafafabris11@gmail.com

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