Glow Ammo Cold Tracers: Non-Incendiary Ammo with Much Training and Tactical Potential (VIDEO)
I found this story interesting
"Glow Ammo is a new company that makes cold tracers. Cold tracers are small disks that can be pressed against the base of a bullet and after being shot, emit light. The cold tracers don't use phosphorus or other incendiary substances to emit light, they use a triboluminescent light source................."