A video, made in the early 90's, from a series called The Secret Life of Machines.
Nothing about stained glass, but since stained glass is so often lit by artificial light these days it is relevant and this program does provide an interesting and informative background to how electric light works. The part about neon and flourescent light in the second half (starting around 13:15) would seem especially useful.
There were 18 such programs produced, covering items like washing machines, vacuum cleaners, refrigerators, photocopiers, fax machines. All episodes are available to view for free online at exploratorium.edu (quicktime required).
Posted by Tom at November 6, 2008 10:15 PM