Fig. 1: The BioRock Experimental Unit. | Nature Communications

Fig. 1: The BioRock Experimental Unit.

From: Space station biomining experiment demonstrates rare earth element extraction in microgravity and Mars gravity

Fig. 1

a Top-down image of one Experimental Container (EC) containing one EU (Experimental Unit) showing both culture chambers inflated with medium. b Sideways cross section through culture chamber showing location of basalt slide at the back of the chamber and principle of medium injection and inversion of membrane (shown here in yellow; left side closed, right side inflated with medium). c Image of basalt slide in a Petri dish submerged in 50% R2A in a ground experiment. d ESA astronaut Luca Parmitano inserts an EC into a KUBIK incubator on board the International Space Station (image credit to ESA).

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