Quote Originally Posted by railwayman3 View Post
On looking again at the video, I'm thinking it is a piece of nitrate film. The Olympic flame is lit by the focussed light (or, strictly speaking, heat) of the sun from the parabolic reflector and the vigorous ignition and speed of burning looks a lot like nitrate film. Would make sense for a quick and guaranteed flame?
Those Greeks are lazy. They should have nitrated some cotton balls and used that.