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...liquid water, and an energy source, and Enceladus meets all three of these requirements. Looking at extreme environments such as these allows us to investigate theories into the origin of life and whether or not life elsewhere is possible. Ideally, we’d like to know more about what is in the ocean. However, it is currently impossible to drill several kilometres through...

...liquid n-hexadecane C16H34 8 18 0.7749 liquid n-triacontane C30H62 15 66 0.7786 waxy solid n-heptacontane C70H142 35 105 0.7940 waxy solid polyethylene C700H1402 350 130–140 ca. 0.08 solid polymer When polyethylene crystallises it adopts an overall linear conformation in which the carbon atoms form a planar zig-zag, where they are all trans with respect to their near...

...solid solution, resulting in a transformation hardened surface containing soft graphite, which makes a good bearing surface. Cladding Most metal combinations can be clad, as long as the cladding material does not have a significantly higher melting point than the substrate (e.g. stainless steel cladding on aluminium). Non-metal claddings can be applied, but their...