Mars structures from blood and urine

When establishing colonies on Mars or the Moon, it will hardly be possible to bring the necessary building material from Earth. Transporting even a single brick to Mars could initially cost up to two million dollars. The solution is to use resources found on the ground – sand and dust that can be combined with water to make a building material. But ordinary water still won’t do. Additional binders are needed.

In the future, these could be produced by the crew itself – in the form of blood and ur...