BBC - Bang Goes the Theory - Dr Yan - Burning steel wool
Steel Wool and Battery. - YouTube
Battery And Steel Wool Photograph by Science Photo Library | Pixels
9V battery and steel wool :) by alennzg on DeviantArt
How to Burn Steel Wool with a 9 Volt Battery - Frugal Fun For Boys and Girls
Roommate told me that if you put a 9V battery on steel wool it will instantly burn. Proceeded to science. Was not displeased with results. - Album on Imgur