Flash paper is a skinny, exceedingly flammable sheet that ignites well-nigh all of the sudden whilst uncovered to flame

https://bluecircuitry.com/s/it2PvblilSkniY9hPE2Ru

Flash paper is a thin, rather flammable sheet that ignites well-nigh instantaneously whilst uncovered to flame, producing brilliant bursts of light. It’s known for science demos and controlled lighting tricks.