Breakthrough in energy harvesting could power 'life on Mars'

Martian colonists could use an innovative new technique to harvest energy from carbon dioxide thanks to new research. The research proposes a new kind of engine for producing energy based on the Leidenfrost effect -- a phenomenon which happens when a liquid comes into near contact with a surface much hotter than its boiling point. This effect is commonly seen in the way water appears to skitter across the surface of a hot pan, but it also applies to solid carbon dioxide, commonly known as dry ice.

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