By Chenxin Tu, 27 July 2023
Lots of glow-in-the dark experiments need black lights to work. In this activity, find out how to make a simple black light and create your own glow in the dark sign!
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By David Shaw, 31 October 2019
Washing your hands is important, but how do you know if it’s working? Make some safe but gross glow germs to find out how well you wash!
