Wiktionary
magnesium ribbon
n. A thin ribbon of magnesium metal used in laboratory demonstrations and in the magnesium lamp.
Usage examples of "magnesium ribbon".
Gribbelflotz (he would fall in love with the burning magnesium ribbon experiment), but that large-scale extraction would come much later, perhaps not until two to four years after the aluminum industry commences ingot production.
It carries a charge of thermit ignited by this piece of magnesium ribbon.