Dam

Every drop counts: watching water from space

In this article from Science Today, Keneilwe Hlahane of the University of Cape Town writes about how satellites are used to monitor the water quality in our dams. The water is green, a clear sign that it is polluted. Dense mats of algal blooms float on the surface of the dam, turning the water a dark…

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How long until we lose the moon?

Interested in local research about the moon? Then read this article by Sphumelele Ndlovu of the Hartebeesthoek Radio Astronomy Observatory (HartRAO) and the University of KwaZulu-Natal, which first appeared in the latest edition of Science Today.   The Moon, every year, moves away from Earth by about 3.8 cm. It seems very small, about the…