By Ariel Marcy, 27 June 2024
Highlighters are so bright that you’d think their ink lasts forever. Make it disappear with a simple citrus fruit!
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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!
