The humble glow stick Here’s how they work: When you bend a common glow stick, it breaks a small glass container inside holding a mix of 3% hydrogen peroxide and another substance. This mix reacts ...

Though they are popular for celebrations, concerts, and nighttime events, it must be said that glow sticks are a controversial and potentially harmful accessory. Like many inventions across the ...

Pour excess water down the drain. Chemical light sticks (also called glow sticks) are a lot of fun. You may have used them for Halloween, or maybe at a birthday party. They produce a cool, soft light ...