Scientists discover simple method for making concrete on Mars

One of the main barriers to colonizing Mars is finding effective ways to allow settlers to build and repair their own buildings without relying on supplements sent from Earth. After all, it would take months for a spacecraft to travel between the two planets and deliver the materials needed for an emergency situation.

Scientists at Northwestern University have just taken a step in solving this problem by developing a fairly simple method for creating concrete on Mars. All astronauts would need to make the cement is to boil sulfur until it dissolves, and then mix it with an equal part of Martian soil. After cooling, the mass is rigid and has cement-like properties that we mere earthlings often use to lift our houses.

It is obvious that this discovery alone does not solve all the obstacles in the race for colonization of the Red Planet, but it is interesting to note right away that the first humans to step there will have some independence from Earth - and may migrate from temporary housing to permanent shelter, built by themselves through this newfound method.

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