A LED or Xenon lamp attached to the head (link shows example) seems to be ideal for bedikas chometz and superior to a candle? Do contemporary poskim offer a view?
May one activate a glow stick on Shabbos? (In other words, is there a prohibition on activating the chemical reaction which produces the light in a glow stick?)
What is the problem with shaking one of the no battery/shaking flashlights which is on on shabbos?