Investigating UV intensity

In this activity, students use UV beads to investigate the intensity of UV rays in a range of different situations. ...

Dr Richard McKenzie, a senior scientist for the National Institute of Water and Atmospheric Research (NIWA), has been conducting research ...

In this activity, students use UV beads to investigate the intensity of UV rays in a range of different situations. ...

Have you ever looked at fish in a tropical aquarium? Some of them seem to have markings or patches of ...