the rapid temperature change caused by turning them on or off causes stresses.

( Moon Girl Technologies horrendous beanbag, Fri 12 Jun 2009, 20:28, archived)

that and the resistance in the tungsten

( mongychops, Fri 12 Jun 2009, 20:30, archived)

that's what causes the heat, surely.
and thereby also the light, by black body radiation.
( Moon Girl Technologies horrendous beanbag, Fri 12 Jun 2009, 20:31, archived)

yea and what will cause the eventual passing away of the lovely little lamp
r.i.p little light giver, jesus loves you
( mongychops, Fri 12 Jun 2009, 20:37, archived)

ooOOOOooh get you mister fucking resistance in the fucking tungsten

( Gilgamesh gazed in wonder as Frampton came alive, Fri 12 Jun 2009, 20:50, archived)