Thephysical model testswerecarriedoutin the wave tank for suspension material test atthe State KeyLaboratoryofCoastalandOffshoreEngineering, DalianUniversityof Technology.
They also assessed their physical and neurological health, and carriedouttests - including memory, language and abstract reasoning - to evaluate their condition.
In any case, general relativity directly contradicts quantum mechanics, the other great physical theory of the 20th century, so more and more precise tests need to be carriedout to find out what cracks might exist in either theory.