(つ^౪^)つ━☆゚.*・。゚ Adding new gift ideas every week until Dec 20th: The TKSST Gift Guide »
 
The Kid Should See This

How to Make Glow Sticks


The first 3/4 of the video are a chemistry experiment breakdown of what goes into a glow stick and what each of those ingredients is meant to do. But at the end, all of this coalesces into a fine explanation of the difference between light-absorbing dyes and fluorescent dyes. Come for the glow-stick “how to”, stay for the better understanding of how light works and how it influences what you see!

via BoingBoing

tksst gift guide
 

Get 7 smart videos delivered every week.

 

Subscribe