'Incredibly brave' Mars colonists could live in red-brick houses, engineers say

'Incredibly brave' Mars colonists could live in red-brick houses, engineers say

The "incredibly brave" people who make the first journey to Mar will need somewhere to live. And an engineer has discovered a way to make bricks from the planet's red soil without a kiln or any other ingredients. Instead, the bricks could be made be simply pounding the soil with a hammer, according to tests carried out in California.

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