Chemical illumination has been a useful tool for military operations for years in the form of chem lights or glow sticks. However, glow sticks could be a hindrance to carry around. The Air Force Research Lab has exponentially lightened the load to allow chemical illumination in the form of a crayon, making light accessible, transferable and useful over and over again.
Related links:
- Glowing Crayons at AFRL - Wright-Patterson AFB