Light emitting diodes, or LEDs, have been heavily featured in the entertainment industry news recently. There's the lawsuit between Color Kinetics and Supervision, of course, and a proliferation of new fixtures are appearing, particularly in Europe. Everyone is getting excited, but LEDs have been around as light sources for over 40 years. So, why are they suddenly attracting so much interest?
LAMPS THROUGH THE AGES
To answer that question, we need to briefly look at the hist