Back around 1975-1980 I was replacing CFL's in an Alcoa engineering facility in Pittsburgh, PA. These were ITT  tubes and had been there for at least  5 years. As I replaced them I noticed the new tubes would last only a few months. It seems incandescent lamps have improved (less heat more light allowing to lower the wattage while ...

Compact fluorescent lamps were in the news recently when U.S. legislators passed a Bill that mandated energy-efficiency standards light bulbs must meet by 2014. '); --> on error resume next MM_FlashCanPlay = ( IsObject(CreateObject(''ShockwaveFlash.ShockwaveFlash.'' & MM_contentVersion))) The Bill would make ...