NASA blames Mars rover sampling fiasco on bad, powdery rock
— Read on phys.org/news/2021-08-nasa-blames-mars-rover-sampling.html

Cave Wall Mirror Comments: The fact that uncertainties are always present consequential to the unpredictability of the “absolute values of the magnitudes of the the forces converging diverging affecting the very complex system of variables involved and needed to be considered in such a complex mission, is of general knowledge. Human eyes, are always necessary, but impossible there…no blame.