Filed under: Misc. GadgetsResearchers at the Indian Institute of Science are making some fairly bold claims about their latest advance in the realm of white LEDs, boasting that they are now getting closer to the "Holy Grail of the illumination industry." That, they say, is a white LED that produces a pure white light suitable for everyday use (as opposed to the "warm white" LEDs used in pricey bulbs like the one seen here). The big advance here, it seems, is the development of the first LED based on a "new phosphor from semiconductor nanocrystals of cadmium sulfide mixed with manganese." While we're admittedly not e
