Payloads Colloidal Clusters: The crew enabled the UV (ultraviolet) illumination system for the Colloidal Clusters sample bags.  UV light is used to activate the UV-curable gelling agent and terminate the experiment.  Following the appropriate UV exposure time, the crew performed steps needed to close out the experiment.  JAXA’s Colloidal Clusters investigates the mechanism for formation …

Source: ISS Daily Summary Report - 7/30/2020