In a firefly, on the other hand, nearly 100% of the energy is given off as light. That luminescence, or "cold light," as it's also called, is produced in the light cells and then focused by a ...
The players behind Firefly, a glow-in-the-dark petunia, share the backstory behind this illuminating discovery and how they ...
Two solutions are combined in a darkened room, producing luminescence that lasts for several seconds. Peroxides act as an oxidizing agent. The luminol is converted to an excited-state product. This ...