Photo: Playing with fire

Professors Jesse Miller (left) and Lauren Denofrio (right), both of Urbana, set fire to a cloth string made of smokeless gunpowder in the Christmas Chemistry Demo in Noyes Laboratory on Friday night. The audience for the demo ranged from college students AJ Kane

Professors Jesse Miller (left) and Lauren Denofrio (right), both of Urbana, set fire to a cloth string made of smokeless gunpowder in the Christmas Chemistry Demo in Noyes Laboratory on Friday night. The audience for the demo ranged from college students AJ Kane