How do Glowsticks Give Their Light
Glowstick is a piece of plastic tube containing a glass vial. This glass vial contains chemicals that when react with the plastic tube create light. For a glowstick to produce light, it must be bent. The bending allows the glass vial to break and the action allows the chemical to release from the vial. Once the chemicals from the vial mix with the plastic tube, a chemical reaction takes place where light is formed.
The cheap glowsticks work the same way as the more expensive long lasting ones although the chemicals in the cheaper ones may be of a less potent grade.
