>> Magnesium ribbon will ignite very easily (an electric current or a
>> match).

>For certain definitions of "easily."  As I recall, it's quite a pain to
>get Mg ribbon to ignite with a match.  You can usually do it with one
>match, for the thinner ribbon, but it's not like lighting a piece of paper.



The old "single use" flash bulbs used magnesium, ignited by a pulse of
current through it. The magnesium is in there as a fine wool, which will
glow quite nicely when a capacitor is discharged through it.

-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist