A blacklight in the darkness: The science of Glowsticks & Halloween lights

‘Tis the season for eerie lights. At Halloweenyou’ll see glow-in-the-dark face paint, creepy decorations shining ghostly green under black light, and glow sticks dangling from the necks of trick-or-treaters. These lights are different from sunlight or ordinary light bulbs. They’re … Continue reading →