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HomeScienceMartian sand can be used to build in space, Dublin scientists find

Martian sand can be used to build in space, Dublin scientists find

Scientists from Trinity College Dublin have made a groundbreaking discovery: sand found on the surfaces of Mars and the Moon can be transformed into solid bricks suitable for constructing future settlements in space. This innovative approach addresses one of the significant challenges of extraterrestrial colonization—how to source building materials efficiently.

The research team developed a method to bind regolith, which comprises surface rocks, sand, and dust, using low temperatures and minimal energy. This process opens up new possibilities for utilizing local resources on other celestial bodies, reducing the reliance on materials shipped from Earth.

The resulting bricks, which incorporate carbon nanotubes, are notably lightweight yet possess remarkable strength, nearing that of granite. This combination of properties makes them an ideal candidate for the construction of resilient structures in hostile environments.

Professor Jonathan Coleman, who spearheads the research project, emphasized the potential impact of these findings. He noted that this technique could significantly decrease the volume of building materials that would need to be transported from Earth to establish a base on the Moon or Mars.

By utilizing in-situ resources, the research not only reduces costs but also enhances the sustainability of future space missions. Building with local materials could facilitate longer stays and more extensive developments on the Moon or Mars, paving the way for permanent human settlements.

Moreover, the low energy requirements of this binding process align with the growing emphasis on eco-friendly technologies. As humanity explores the cosmos, finding ways to minimize environmental impact becomes increasingly vital.

The implications of this research extend beyond construction. The ability to create durable structures from local materials may also support various other activities, such as scientific research and resource extraction, further fostering human presence on these celestial bodies.

Overall, the work of the Trinity College team represents a significant step forward in space exploration. Their findings not only advance our understanding of material science but also inspire new possibilities for the future of human life beyond Earth.

Researchers believe the discovery could also have practical implications for the construction industry on Earth (file image)

Moon Base Construction

Building structures in space poses a unique challenge, primarily due to the heavy materials that must be transported from Earth. To overcome this hurdle, researchers are developing construction blocks made from regolith and carbon nanotubes, which significantly reduce the need for off-world material transport.

These innovative blocks not only provide structural integrity but also have the ability to conduct electricity. This feature allows them to function as internal sensors, enabling real-time monitoring of the structural health of extraterrestrial buildings.

Since these structures are designed to maintain an atmosphere, it’s crucial to detect early warning signs of block failure. Effective monitoring will help ensure the safety and sustainability of habitats on the Moon or Mars.

Impressive Strength

Professor Coleman stated, “Building a semi-permanent base on the Moon or Mars necessitates making the most of materials available on-site while minimizing the transport of materials and equipment from Earth.

This approach will heavily depend on regolith and water, supplemented by small amounts of additives produced on our planet.”

Reducing CO2 Emissions

The researchers believe their discovery could also have significant implications for the construction industry on Earth. A similar nanomaterial, graphene, can be incorporated into cement to enhance concrete’s strength by up to 40%.

By boosting concrete’s strength, less material is required for construction, leading to more efficient building practices. Since concrete is the most widely used man-made material globally, its production contributes approximately 8% of the world’s total CO2 emissions. This advancement could help reduce that environmental impact while improving overall construction efficiency.

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