glowstick

Fluorescent stick bars that glow in the dark that are commonly used in the raves to create light effects while dancing by holding in the hands between the fingers. The glowsticks are plastic capsules that conains glow items that generate light when two chemical compounds are mixed together in a process called chemiluminescense and then dilute hydrogen peroxide in a phthalate ester solvent. This process converts energy directly to light without flame or spark.