I doubt that a control experiment of washing uniforms at night was carried out.
In a control experiment, the line pair object was imaged without the hyperlens.
This could be considered analogous to a "control" experiment.
The exposure of control experiments was approximately doubled in order to achieve a reasonable background structure.
A separate control experiment is then carried out to calibrate the calorimeter.
In 1965 the full publication appeared after many control experiments.
I challenge intelligent design advocates to create a control experiment for their hypothesis.
The control experiment was the group to which nobody did anything.
A couple of generations of a control experiment might have made sense.
Two and a half centuries later, why on Earth would they still need a control experiment?