http://en.wikipedia.org/wiki/High-intens...
Instead of using a hot filament in the lamp it has an electric arc through a special vapour. Very good light output, bright white light in the automotive version, and a long lamp life.
But they aren't cheap, and need a special high voltage driver / starter.
Man you really hid it this time. I can't find it anywhere.
It must be, I can't find it either.
If you say so.
ha ha!!!!I FOUND IT....
